How to use Not class

1<?php2namespace TweedeGolf\GeneratorBundle\Generator\Password;3use Symfony\Component\Security\Core\Util\SecureRandomInterface;4class Fips181Generator extends AbstractPasswordGenerator5{6    // flags7    const MAX_UNACCEPTABLE   = 20;8    // gram rules:9    const NOT_BEGIN_SYLLABLE = 0x08;10    const NO_FINAL_SPLIT     = 0x04;11    const VOWEL              = 0x02;12    const ALTERNATE_VOWEL    = 0x01;13    const NO_SPECIAL_RULE    = 0x00;14    // digram rules:15    const BEGIN              = 0x80;16    const NOT_BEGIN          = 0x40;17    const BREAK_GRAM         = 0x40;18    const PREFIX             = 0x20;19    const ILLEGAL_PAIR       = 0x10;20    const SUFFIX             = 0x04;21    const END                = 0x02;22    const NOT_END            = 0x01;23    const ANY_COMBINATION    = 0x00;24    private $grams;25    private $vowelGrams;26    private $gramRules;27    private $digramRules;28    private $separator;29    public function __construct(SecureRandomInterface $rng, $separator = '-')30    {31        parent::__construct($rng);32        $this->setSeparator($separator);33        $this->grams = [34            'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j',35            'k', 'l', 'm', 'n', 'o', 'p', 'r', 's', 't', 'u',36            'v', 'w', 'x', 'y', 'z', 'ch', 'gh', 'ph', 'rh',37            'sh', 'th', 'wh', 'qu', 'ck',38        ];39        $this->vowelGrams = [40            'a', 'e', 'i', 'o', 'u', 'y',41        ];42        $this->generateGramRules();43        $this->generateDigramRules();44    }45    public function generateGramRules()46    {47        // gram rules48        $this->gramRules = [];49        foreach ($this->grams as $gram) {50            $this->gramRules[$gram] = self::NO_SPECIAL_RULE;51        }52        foreach ($this->vowelGrams as $gram) {53            $this->gramRules[$gram] = self::VOWEL;54        }55        $this->gramRules['e'] |= self::NO_FINAL_SPLIT;56        $this->gramRules['y'] |= self::ALTERNATE_VOWEL;57        $this->gramRules['x'] = self::NOT_BEGIN_SYLLABLE;58        $this->gramRules['ck'] = self::NOT_BEGIN_SYLLABLE;59    }60    public function generateDigramRules()61    {62        // digram rules63        $this->digramRules = [];64        $this->digramRules['a'] = [];65        $this->digramRules['a']['a'] = self::ILLEGAL_PAIR;66        $this->digramRules['a']['b'] = self::ANY_COMBINATION;67        $this->digramRules['a']['c'] = self::ANY_COMBINATION;68        $this->digramRules['a']['d'] = self::ANY_COMBINATION;69        $this->digramRules['a']['e'] = self::ILLEGAL_PAIR;70        $this->digramRules['a']['f'] = self::ANY_COMBINATION;71        $this->digramRules['a']['g'] = self::ANY_COMBINATION;72        $this->digramRules['a']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;73        $this->digramRules['a']['i'] = self::ANY_COMBINATION;74        $this->digramRules['a']['j'] = self::ANY_COMBINATION;75        $this->digramRules['a']['k'] = self::ANY_COMBINATION;76        $this->digramRules['a']['l'] = self::ANY_COMBINATION;77        $this->digramRules['a']['m'] = self::ANY_COMBINATION;78        $this->digramRules['a']['n'] = self::ANY_COMBINATION;79        $this->digramRules['a']['o'] = self::ILLEGAL_PAIR;80        $this->digramRules['a']['p'] = self::ANY_COMBINATION;81        $this->digramRules['a']['r'] = self::ANY_COMBINATION;82        $this->digramRules['a']['s'] = self::ANY_COMBINATION;83        $this->digramRules['a']['t'] = self::ANY_COMBINATION;84        $this->digramRules['a']['u'] = self::ANY_COMBINATION;85        $this->digramRules['a']['v'] = self::ANY_COMBINATION;86        $this->digramRules['a']['w'] = self::ANY_COMBINATION;87        $this->digramRules['a']['x'] = self::ANY_COMBINATION;88        $this->digramRules['a']['y'] = self::ANY_COMBINATION;89        $this->digramRules['a']['z'] = self::ANY_COMBINATION;90        $this->digramRules['a']['ch'] = self::ANY_COMBINATION;91        $this->digramRules['a']['gh'] = self::ILLEGAL_PAIR;92        $this->digramRules['a']['ph'] = self::ANY_COMBINATION;93        $this->digramRules['a']['rh'] = self::ILLEGAL_PAIR;94        $this->digramRules['a']['sh'] = self::ANY_COMBINATION;95        $this->digramRules['a']['th'] = self::ANY_COMBINATION;96        $this->digramRules['a']['wh'] = self::ILLEGAL_PAIR;97        $this->digramRules['a']['qu'] = self::BREAK_GRAM | self::NOT_END;98        $this->digramRules['a']['ck'] = self::ANY_COMBINATION;99        $this->digramRules['b'] = [];100        $this->digramRules['b']['a'] = self::ANY_COMBINATION;101        $this->digramRules['b']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;102        $this->digramRules['b']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;103        $this->digramRules['b']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;104        $this->digramRules['b']['e'] = self::ANY_COMBINATION;105        $this->digramRules['b']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;106        $this->digramRules['b']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;107        $this->digramRules['b']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;108        $this->digramRules['b']['i'] = self::ANY_COMBINATION;109        $this->digramRules['b']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;110        $this->digramRules['b']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;111        $this->digramRules['b']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;112        $this->digramRules['b']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;113        $this->digramRules['b']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;114        $this->digramRules['b']['o'] = self::ANY_COMBINATION;115        $this->digramRules['b']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;116        $this->digramRules['b']['r'] = self::BEGIN | self::END;117        $this->digramRules['b']['s'] = self::NOT_BEGIN;118        $this->digramRules['b']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;119        $this->digramRules['b']['u'] = self::ANY_COMBINATION;120        $this->digramRules['b']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;121        $this->digramRules['b']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;122        $this->digramRules['b']['x'] = self::ILLEGAL_PAIR;123        $this->digramRules['b']['y'] = self::ANY_COMBINATION;124        $this->digramRules['b']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;125        $this->digramRules['b']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;126        $this->digramRules['b']['gh'] = self::ILLEGAL_PAIR;127        $this->digramRules['b']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;128        $this->digramRules['b']['rh'] = self::ILLEGAL_PAIR;129        $this->digramRules['b']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;130        $this->digramRules['b']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;131        $this->digramRules['b']['wh'] = self::ILLEGAL_PAIR;132        $this->digramRules['b']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;133        $this->digramRules['b']['ck'] = self::ILLEGAL_PAIR;134        $this->digramRules['c'] = [];135        $this->digramRules['c']['a'] = self::ANY_COMBINATION;136        $this->digramRules['c']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;137        $this->digramRules['c']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;138        $this->digramRules['c']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;139        $this->digramRules['c']['e'] = self::ANY_COMBINATION;140        $this->digramRules['c']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;141        $this->digramRules['c']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;142        $this->digramRules['c']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;143        $this->digramRules['c']['i'] = self::ANY_COMBINATION;144        $this->digramRules['c']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;145        $this->digramRules['c']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;146        $this->digramRules['c']['l'] = self::SUFFIX | self::NOT_END;147        $this->digramRules['c']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;148        $this->digramRules['c']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;149        $this->digramRules['c']['o'] = self::ANY_COMBINATION;150        $this->digramRules['c']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;151        $this->digramRules['c']['r'] = self::NOT_END;152        $this->digramRules['c']['s'] = self::NOT_BEGIN | self::END;153        $this->digramRules['c']['t'] = self::NOT_BEGIN | self::PREFIX;154        $this->digramRules['c']['u'] = self::ANY_COMBINATION;155        $this->digramRules['c']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;156        $this->digramRules['c']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;157        $this->digramRules['c']['x'] = self::ILLEGAL_PAIR;158        $this->digramRules['c']['y'] = self::ANY_COMBINATION;159        $this->digramRules['c']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;160        $this->digramRules['c']['ch'] = self::ILLEGAL_PAIR;161        $this->digramRules['c']['gh'] = self::ILLEGAL_PAIR;162        $this->digramRules['c']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;163        $this->digramRules['c']['rh'] = self::ILLEGAL_PAIR;164        $this->digramRules['c']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;165        $this->digramRules['c']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;166        $this->digramRules['c']['wh'] = self::ILLEGAL_PAIR;167        $this->digramRules['c']['qu'] = self::NOT_BEGIN | self::SUFFIX | self::NOT_END;168        $this->digramRules['c']['ck'] = self::ILLEGAL_PAIR;169        $this->digramRules['d'] = [];170        $this->digramRules['d']['a'] = self::ANY_COMBINATION;171        $this->digramRules['d']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;172        $this->digramRules['d']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;173        $this->digramRules['d']['d'] = self::NOT_BEGIN;174        $this->digramRules['d']['e'] = self::ANY_COMBINATION;175        $this->digramRules['d']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;176        $this->digramRules['d']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;177        $this->digramRules['d']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;178        $this->digramRules['d']['i'] = self::ANY_COMBINATION;179        $this->digramRules['d']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;180        $this->digramRules['d']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;181        $this->digramRules['d']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;182        $this->digramRules['d']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;183        $this->digramRules['d']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;184        $this->digramRules['d']['o'] = self::ANY_COMBINATION;185        $this->digramRules['d']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;186        $this->digramRules['d']['r'] = self::BEGIN | self::NOT_END;187        $this->digramRules['d']['s'] = self::NOT_BEGIN | self::END;188        $this->digramRules['d']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;189        $this->digramRules['d']['u'] = self::ANY_COMBINATION;190        $this->digramRules['d']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;191        $this->digramRules['d']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;192        $this->digramRules['d']['x'] = self::ILLEGAL_PAIR;193        $this->digramRules['d']['y'] = self::ANY_COMBINATION;194        $this->digramRules['d']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;195        $this->digramRules['d']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;196        $this->digramRules['d']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;197        $this->digramRules['d']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;198        $this->digramRules['d']['rh'] = self::ILLEGAL_PAIR;199        $this->digramRules['d']['sh'] = self::NOT_BEGIN | self::NOT_END;200        $this->digramRules['d']['th'] = self::NOT_BEGIN | self::PREFIX;201        $this->digramRules['d']['wh'] = self::ILLEGAL_PAIR;202        $this->digramRules['d']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;203        $this->digramRules['d']['ck'] = self::ILLEGAL_PAIR;204        $this->digramRules['e'] = [];205        $this->digramRules['e']['a'] = self::ANY_COMBINATION;206        $this->digramRules['e']['b'] = self::ANY_COMBINATION;207        $this->digramRules['e']['c'] = self::ANY_COMBINATION;208        $this->digramRules['e']['d'] = self::ANY_COMBINATION;209        $this->digramRules['e']['e'] = self::ANY_COMBINATION;210        $this->digramRules['e']['f'] = self::ANY_COMBINATION;211        $this->digramRules['e']['g'] = self::ANY_COMBINATION;212        $this->digramRules['e']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;213        $this->digramRules['e']['i'] = self::NOT_END;214        $this->digramRules['e']['j'] = self::ANY_COMBINATION;215        $this->digramRules['e']['k'] = self::ANY_COMBINATION;216        $this->digramRules['e']['l'] = self::ANY_COMBINATION;217        $this->digramRules['e']['m'] = self::ANY_COMBINATION;218        $this->digramRules['e']['n'] = self::ANY_COMBINATION;219        $this->digramRules['e']['o'] = self::BREAK_GRAM;220        $this->digramRules['e']['p'] = self::ANY_COMBINATION;221        $this->digramRules['e']['r'] = self::ANY_COMBINATION;222        $this->digramRules['e']['s'] = self::ANY_COMBINATION;223        $this->digramRules['e']['t'] = self::ANY_COMBINATION;224        $this->digramRules['e']['u'] = self::ANY_COMBINATION;225        $this->digramRules['e']['v'] = self::ANY_COMBINATION;226        $this->digramRules['e']['w'] = self::ANY_COMBINATION;227        $this->digramRules['e']['x'] = self::ANY_COMBINATION;228        $this->digramRules['e']['y'] = self::ANY_COMBINATION;229        $this->digramRules['e']['z'] = self::ANY_COMBINATION;230        $this->digramRules['e']['ch'] = self::ANY_COMBINATION;231        $this->digramRules['e']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;232        $this->digramRules['e']['ph'] = self::ANY_COMBINATION;233        $this->digramRules['e']['rh'] = self::ILLEGAL_PAIR;234        $this->digramRules['e']['sh'] = self::ANY_COMBINATION;235        $this->digramRules['e']['th'] = self::ANY_COMBINATION;236        $this->digramRules['e']['wh'] = self::ILLEGAL_PAIR;237        $this->digramRules['e']['qu'] = self::BREAK_GRAM | self::NOT_END;238        $this->digramRules['e']['ck'] = self::ANY_COMBINATION;239        $this->digramRules['f'] = [];240        $this->digramRules['f']['a'] = self::ANY_COMBINATION;241        $this->digramRules['f']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;242        $this->digramRules['f']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;243        $this->digramRules['f']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;244        $this->digramRules['f']['e'] = self::ANY_COMBINATION;245        $this->digramRules['f']['f'] = self::NOT_BEGIN;246        $this->digramRules['f']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;247        $this->digramRules['f']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;248        $this->digramRules['f']['i'] = self::ANY_COMBINATION;249        $this->digramRules['f']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;250        $this->digramRules['f']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;251        $this->digramRules['f']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;252        $this->digramRules['f']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;253        $this->digramRules['f']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;254        $this->digramRules['f']['o'] = self::ANY_COMBINATION;255        $this->digramRules['f']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;256        $this->digramRules['f']['r'] = self::BEGIN | self::NOT_END;257        $this->digramRules['f']['s'] = self::NOT_BEGIN;258        $this->digramRules['f']['t'] = self::NOT_BEGIN;259        $this->digramRules['f']['u'] = self::ANY_COMBINATION;260        $this->digramRules['f']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;261        $this->digramRules['f']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;262        $this->digramRules['f']['x'] = self::ILLEGAL_PAIR;263        $this->digramRules['f']['y'] = self::NOT_BEGIN;264        $this->digramRules['f']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;265        $this->digramRules['f']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;266        $this->digramRules['f']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;267        $this->digramRules['f']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;268        $this->digramRules['f']['rh'] = self::ILLEGAL_PAIR;269        $this->digramRules['f']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;270        $this->digramRules['f']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;271        $this->digramRules['f']['wh'] = self::ILLEGAL_PAIR;272        $this->digramRules['f']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;273        $this->digramRules['f']['ck'] = self::ILLEGAL_PAIR;274        $this->digramRules['g'] = [];275        $this->digramRules['g']['a'] = self::ANY_COMBINATION;276        $this->digramRules['g']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;277        $this->digramRules['g']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;278        $this->digramRules['g']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;279        $this->digramRules['g']['e'] = self::ANY_COMBINATION;280        $this->digramRules['g']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;281        $this->digramRules['g']['g'] = self::NOT_BEGIN;282        $this->digramRules['g']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;283        $this->digramRules['g']['i'] = self::ANY_COMBINATION;284        $this->digramRules['g']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;285        $this->digramRules['g']['k'] = self::ILLEGAL_PAIR;286        $this->digramRules['g']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;287        $this->digramRules['g']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;288        $this->digramRules['g']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;289        $this->digramRules['g']['o'] = self::ANY_COMBINATION;290        $this->digramRules['g']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;291        $this->digramRules['g']['r'] = self::BEGIN | self::NOT_END;292        $this->digramRules['g']['s'] = self::NOT_BEGIN | self::END;293        $this->digramRules['g']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;294        $this->digramRules['g']['u'] = self::ANY_COMBINATION;295        $this->digramRules['g']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;296        $this->digramRules['g']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;297        $this->digramRules['g']['x'] = self::ILLEGAL_PAIR;298        $this->digramRules['g']['y'] = self::NOT_BEGIN;299        $this->digramRules['g']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;300        $this->digramRules['g']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;301        $this->digramRules['g']['gh'] = self::ILLEGAL_PAIR;302        $this->digramRules['g']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;303        $this->digramRules['g']['rh'] = self::ILLEGAL_PAIR;304        $this->digramRules['g']['sh'] = self::NOT_BEGIN;305        $this->digramRules['g']['th'] = self::NOT_BEGIN;306        $this->digramRules['g']['wh'] = self::ILLEGAL_PAIR;307        $this->digramRules['g']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;308        $this->digramRules['g']['ck'] = self::ILLEGAL_PAIR;309        $this->digramRules['h'] = [];310        $this->digramRules['h']['a'] = self::ANY_COMBINATION;311        $this->digramRules['h']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;312        $this->digramRules['h']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;313        $this->digramRules['h']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;314        $this->digramRules['h']['e'] = self::ANY_COMBINATION;315        $this->digramRules['h']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;316        $this->digramRules['h']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;317        $this->digramRules['h']['h'] = self::ILLEGAL_PAIR;318        $this->digramRules['h']['i'] = self::ANY_COMBINATION;319        $this->digramRules['h']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;320        $this->digramRules['h']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;321        $this->digramRules['h']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;322        $this->digramRules['h']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;323        $this->digramRules['h']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;324        $this->digramRules['h']['o'] = self::ANY_COMBINATION;325        $this->digramRules['h']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;326        $this->digramRules['h']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;327        $this->digramRules['h']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;328        $this->digramRules['h']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;329        $this->digramRules['h']['u'] = self::ANY_COMBINATION;330        $this->digramRules['h']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;331        $this->digramRules['h']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;332        $this->digramRules['h']['x'] = self::ILLEGAL_PAIR;333        $this->digramRules['h']['y'] = self::ANY_COMBINATION;334        $this->digramRules['h']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;335        $this->digramRules['h']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;336        $this->digramRules['h']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;337        $this->digramRules['h']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;338        $this->digramRules['h']['rh'] = self::ILLEGAL_PAIR;339        $this->digramRules['h']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;340        $this->digramRules['h']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;341        $this->digramRules['h']['wh'] = self::ILLEGAL_PAIR;342        $this->digramRules['h']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;343        $this->digramRules['h']['ck'] = self::ILLEGAL_PAIR;344        $this->digramRules['i'] = [];345        $this->digramRules['i']['a'] = self::ANY_COMBINATION;346        $this->digramRules['i']['b'] = self::ANY_COMBINATION;347        $this->digramRules['i']['c'] = self::ANY_COMBINATION;348        $this->digramRules['i']['d'] = self::ANY_COMBINATION;349        $this->digramRules['i']['e'] = self::NOT_BEGIN;350        $this->digramRules['i']['f'] = self::ANY_COMBINATION;351        $this->digramRules['i']['g'] = self::ANY_COMBINATION;352        $this->digramRules['i']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;353        $this->digramRules['i']['i'] = self::ILLEGAL_PAIR;354        $this->digramRules['i']['j'] = self::ANY_COMBINATION;355        $this->digramRules['i']['k'] = self::ANY_COMBINATION;356        $this->digramRules['i']['l'] = self::ANY_COMBINATION;357        $this->digramRules['i']['m'] = self::ANY_COMBINATION;358        $this->digramRules['i']['n'] = self::ANY_COMBINATION;359        $this->digramRules['i']['o'] = self::BREAK_GRAM;360        $this->digramRules['i']['p'] = self::ANY_COMBINATION;361        $this->digramRules['i']['r'] = self::ANY_COMBINATION;362        $this->digramRules['i']['s'] = self::ANY_COMBINATION;363        $this->digramRules['i']['t'] = self::ANY_COMBINATION;364        $this->digramRules['i']['u'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;365        $this->digramRules['i']['v'] = self::ANY_COMBINATION;366        $this->digramRules['i']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;367        $this->digramRules['i']['x'] = self::ANY_COMBINATION;368        $this->digramRules['i']['y'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;369        $this->digramRules['i']['z'] = self::ANY_COMBINATION;370        $this->digramRules['i']['ch'] = self::ANY_COMBINATION;371        $this->digramRules['i']['gh'] = self::NOT_BEGIN;372        $this->digramRules['i']['ph'] = self::ANY_COMBINATION;373        $this->digramRules['i']['rh'] = self::ILLEGAL_PAIR;374        $this->digramRules['i']['sh'] = self::ANY_COMBINATION;375        $this->digramRules['i']['th'] = self::ANY_COMBINATION;376        $this->digramRules['i']['wh'] = self::ILLEGAL_PAIR;377        $this->digramRules['i']['qu'] = self::BREAK_GRAM | self::NOT_END;378        $this->digramRules['i']['ck'] = self::ANY_COMBINATION;379        $this->digramRules['j'] = [];380        $this->digramRules['j']['a'] = self::ANY_COMBINATION;381        $this->digramRules['j']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;382        $this->digramRules['j']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;383        $this->digramRules['j']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;384        $this->digramRules['j']['e'] = self::ANY_COMBINATION;385        $this->digramRules['j']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;386        $this->digramRules['j']['g'] = self::ILLEGAL_PAIR;387        $this->digramRules['j']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;388        $this->digramRules['j']['i'] = self::ANY_COMBINATION;389        $this->digramRules['j']['j'] = self::ILLEGAL_PAIR;390        $this->digramRules['j']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;391        $this->digramRules['j']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;392        $this->digramRules['j']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;393        $this->digramRules['j']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;394        $this->digramRules['j']['o'] = self::ANY_COMBINATION;395        $this->digramRules['j']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;396        $this->digramRules['j']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;397        $this->digramRules['j']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;398        $this->digramRules['j']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;399        $this->digramRules['j']['u'] = self::ANY_COMBINATION;400        $this->digramRules['j']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;401        $this->digramRules['j']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;402        $this->digramRules['j']['x'] = self::ILLEGAL_PAIR;403        $this->digramRules['j']['y'] = self::NOT_BEGIN;404        $this->digramRules['j']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;405        $this->digramRules['j']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;406        $this->digramRules['j']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;407        $this->digramRules['j']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;408        $this->digramRules['j']['rh'] = self::ILLEGAL_PAIR;409        $this->digramRules['j']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;410        $this->digramRules['j']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;411        $this->digramRules['j']['wh'] = self::ILLEGAL_PAIR;412        $this->digramRules['j']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;413        $this->digramRules['j']['ck'] = self::ILLEGAL_PAIR;414        $this->digramRules['k'] = [];415        $this->digramRules['k']['a'] = self::ANY_COMBINATION;416        $this->digramRules['k']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;417        $this->digramRules['k']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;418        $this->digramRules['k']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;419        $this->digramRules['k']['e'] = self::ANY_COMBINATION;420        $this->digramRules['k']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;421        $this->digramRules['k']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;422        $this->digramRules['k']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;423        $this->digramRules['k']['i'] = self::ANY_COMBINATION;424        $this->digramRules['k']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;425        $this->digramRules['k']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;426        $this->digramRules['k']['l'] = self::SUFFIX | self::NOT_END;427        $this->digramRules['k']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;428        $this->digramRules['k']['n'] = self::BEGIN | self::SUFFIX | self::NOT_END;429        $this->digramRules['k']['o'] = self::ANY_COMBINATION;430        $this->digramRules['k']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;431        $this->digramRules['k']['r'] = self::SUFFIX | self::NOT_END;432        $this->digramRules['k']['s'] = self::NOT_BEGIN | self::END;433        $this->digramRules['k']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;434        $this->digramRules['k']['u'] = self::ANY_COMBINATION;435        $this->digramRules['k']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;436        $this->digramRules['k']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;437        $this->digramRules['k']['x'] = self::ILLEGAL_PAIR;438        $this->digramRules['k']['y'] = self::NOT_BEGIN;439        $this->digramRules['k']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;440        $this->digramRules['k']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;441        $this->digramRules['k']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;442        $this->digramRules['k']['ph'] = self::NOT_BEGIN | self::PREFIX;443        $this->digramRules['k']['rh'] = self::ILLEGAL_PAIR;444        $this->digramRules['k']['sh'] = self::NOT_BEGIN;445        $this->digramRules['k']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;446        $this->digramRules['k']['wh'] = self::ILLEGAL_PAIR;447        $this->digramRules['k']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;448        $this->digramRules['k']['ck'] = self::ILLEGAL_PAIR;449        $this->digramRules['l'] = [];450        $this->digramRules['l']['a'] = self::ANY_COMBINATION;451        $this->digramRules['l']['b'] = self::NOT_BEGIN | self::PREFIX;452        $this->digramRules['l']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;453        $this->digramRules['l']['d'] = self::NOT_BEGIN | self::PREFIX;454        $this->digramRules['l']['e'] = self::ANY_COMBINATION;455        $this->digramRules['l']['f'] = self::NOT_BEGIN | self::PREFIX;456        $this->digramRules['l']['g'] = self::NOT_BEGIN | self::PREFIX;457        $this->digramRules['l']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;458        $this->digramRules['l']['i'] = self::ANY_COMBINATION;459        $this->digramRules['l']['j'] = self::NOT_BEGIN | self::PREFIX;460        $this->digramRules['l']['k'] = self::NOT_BEGIN | self::PREFIX;461        $this->digramRules['l']['l'] = self::NOT_BEGIN | self::PREFIX;462        $this->digramRules['l']['m'] = self::NOT_BEGIN | self::PREFIX;463        $this->digramRules['l']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;464        $this->digramRules['l']['o'] = self::ANY_COMBINATION;465        $this->digramRules['l']['p'] = self::NOT_BEGIN | self::PREFIX;466        $this->digramRules['l']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;467        $this->digramRules['l']['s'] = self::NOT_BEGIN;468        $this->digramRules['l']['t'] = self::NOT_BEGIN | self::PREFIX;469        $this->digramRules['l']['u'] = self::ANY_COMBINATION;470        $this->digramRules['l']['v'] = self::NOT_BEGIN | self::PREFIX;471        $this->digramRules['l']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;472        $this->digramRules['l']['x'] = self::ILLEGAL_PAIR;473        $this->digramRules['l']['y'] = self::ANY_COMBINATION;474        $this->digramRules['l']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;475        $this->digramRules['l']['ch'] = self::NOT_BEGIN | self::PREFIX;476        $this->digramRules['l']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;477        $this->digramRules['l']['ph'] = self::NOT_BEGIN | self::PREFIX;478        $this->digramRules['l']['rh'] = self::ILLEGAL_PAIR;479        $this->digramRules['l']['sh'] = self::NOT_BEGIN | self::PREFIX;480        $this->digramRules['l']['th'] = self::NOT_BEGIN | self::PREFIX;481        $this->digramRules['l']['wh'] = self::ILLEGAL_PAIR;482        $this->digramRules['l']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;483        $this->digramRules['l']['ck'] = self::ILLEGAL_PAIR;484        $this->digramRules['m'] = [];485        $this->digramRules['m']['a'] = self::ANY_COMBINATION;486        $this->digramRules['m']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;487        $this->digramRules['m']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;488        $this->digramRules['m']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;489        $this->digramRules['m']['e'] = self::ANY_COMBINATION;490        $this->digramRules['m']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;491        $this->digramRules['m']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;492        $this->digramRules['m']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;493        $this->digramRules['m']['i'] = self::ANY_COMBINATION;494        $this->digramRules['m']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;495        $this->digramRules['m']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;496        $this->digramRules['m']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;497        $this->digramRules['m']['m'] = self::NOT_BEGIN;498        $this->digramRules['m']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;499        $this->digramRules['m']['o'] = self::ANY_COMBINATION;500        $this->digramRules['m']['p'] = self::NOT_BEGIN;501        $this->digramRules['m']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;502        $this->digramRules['m']['s'] = self::NOT_BEGIN;503        $this->digramRules['m']['t'] = self::NOT_BEGIN;504        $this->digramRules['m']['u'] = self::ANY_COMBINATION;505        $this->digramRules['m']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;506        $this->digramRules['m']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;507        $this->digramRules['m']['x'] = self::ILLEGAL_PAIR;508        $this->digramRules['m']['y'] = self::ANY_COMBINATION;509        $this->digramRules['m']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;510        $this->digramRules['m']['ch'] = self::NOT_BEGIN | self::PREFIX;511        $this->digramRules['m']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;512        $this->digramRules['m']['ph'] = self::NOT_BEGIN;513        $this->digramRules['m']['rh'] = self::ILLEGAL_PAIR;514        $this->digramRules['m']['sh'] = self::NOT_BEGIN;515        $this->digramRules['m']['th'] = self::NOT_BEGIN;516        $this->digramRules['m']['wh'] = self::ILLEGAL_PAIR;517        $this->digramRules['m']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;518        $this->digramRules['m']['ck'] = self::ILLEGAL_PAIR;519        $this->digramRules['n'] = [];520        $this->digramRules['n']['a'] = self::ANY_COMBINATION;521        $this->digramRules['n']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;522        $this->digramRules['n']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;523        $this->digramRules['n']['d'] = self::NOT_BEGIN;524        $this->digramRules['n']['e'] = self::ANY_COMBINATION;525        $this->digramRules['n']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;526        $this->digramRules['n']['g'] = self::NOT_BEGIN | self::PREFIX;527        $this->digramRules['n']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;528        $this->digramRules['n']['i'] = self::ANY_COMBINATION;529        $this->digramRules['n']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;530        $this->digramRules['n']['k'] = self::NOT_BEGIN | self::PREFIX;531        $this->digramRules['n']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;532        $this->digramRules['n']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;533        $this->digramRules['n']['n'] = self::NOT_BEGIN;534        $this->digramRules['n']['o'] = self::ANY_COMBINATION;535        $this->digramRules['n']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;536        $this->digramRules['n']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;537        $this->digramRules['n']['s'] = self::NOT_BEGIN;538        $this->digramRules['n']['t'] = self::NOT_BEGIN;539        $this->digramRules['n']['u'] = self::ANY_COMBINATION;540        $this->digramRules['n']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;541        $this->digramRules['n']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;542        $this->digramRules['n']['x'] = self::ILLEGAL_PAIR;543        $this->digramRules['n']['y'] = self::NOT_BEGIN;544        $this->digramRules['n']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;545        $this->digramRules['n']['ch'] = self::NOT_BEGIN | self::PREFIX;546        $this->digramRules['n']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;547        $this->digramRules['n']['ph'] = self::NOT_BEGIN | self::PREFIX;548        $this->digramRules['n']['rh'] = self::ILLEGAL_PAIR;549        $this->digramRules['n']['sh'] = self::NOT_BEGIN;550        $this->digramRules['n']['th'] = self::NOT_BEGIN;551        $this->digramRules['n']['wh'] = self::ILLEGAL_PAIR;552        $this->digramRules['n']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;553        $this->digramRules['n']['ck'] = self::NOT_BEGIN | self::PREFIX;554        $this->digramRules['o'] = [];555        $this->digramRules['o']['a'] = self::ANY_COMBINATION;556        $this->digramRules['o']['b'] = self::ANY_COMBINATION;557        $this->digramRules['o']['c'] = self::ANY_COMBINATION;558        $this->digramRules['o']['d'] = self::ANY_COMBINATION;559        $this->digramRules['o']['e'] = self::ILLEGAL_PAIR;560        $this->digramRules['o']['f'] = self::ANY_COMBINATION;561        $this->digramRules['o']['g'] = self::ANY_COMBINATION;562        $this->digramRules['o']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;563        $this->digramRules['o']['i'] = self::ANY_COMBINATION;564        $this->digramRules['o']['j'] = self::ANY_COMBINATION;565        $this->digramRules['o']['k'] = self::ANY_COMBINATION;566        $this->digramRules['o']['l'] = self::ANY_COMBINATION;567        $this->digramRules['o']['m'] = self::ANY_COMBINATION;568        $this->digramRules['o']['n'] = self::ANY_COMBINATION;569        $this->digramRules['o']['o'] = self::ANY_COMBINATION;570        $this->digramRules['o']['p'] = self::ANY_COMBINATION;571        $this->digramRules['o']['r'] = self::ANY_COMBINATION;572        $this->digramRules['o']['s'] = self::ANY_COMBINATION;573        $this->digramRules['o']['t'] = self::ANY_COMBINATION;574        $this->digramRules['o']['u'] = self::ANY_COMBINATION;575        $this->digramRules['o']['v'] = self::ANY_COMBINATION;576        $this->digramRules['o']['w'] = self::ANY_COMBINATION;577        $this->digramRules['o']['x'] = self::ANY_COMBINATION;578        $this->digramRules['o']['y'] = self::ANY_COMBINATION;579        $this->digramRules['o']['z'] = self::ANY_COMBINATION;580        $this->digramRules['o']['ch'] = self::ANY_COMBINATION;581        $this->digramRules['o']['gh'] = self::NOT_BEGIN;582        $this->digramRules['o']['ph'] = self::ANY_COMBINATION;583        $this->digramRules['o']['rh'] = self::ILLEGAL_PAIR;584        $this->digramRules['o']['sh'] = self::ANY_COMBINATION;585        $this->digramRules['o']['th'] = self::ANY_COMBINATION;586        $this->digramRules['o']['wh'] = self::ILLEGAL_PAIR;587        $this->digramRules['o']['qu'] = self::BREAK_GRAM | self::NOT_END;588        $this->digramRules['o']['ck'] = self::ANY_COMBINATION;589        $this->digramRules['p'] = [];590        $this->digramRules['p']['a'] = self::ANY_COMBINATION;591        $this->digramRules['p']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;592        $this->digramRules['p']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;593        $this->digramRules['p']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;594        $this->digramRules['p']['e'] = self::ANY_COMBINATION;595        $this->digramRules['p']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;596        $this->digramRules['p']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;597        $this->digramRules['p']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;598        $this->digramRules['p']['i'] = self::ANY_COMBINATION;599        $this->digramRules['p']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;600        $this->digramRules['p']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;601        $this->digramRules['p']['l'] = self::SUFFIX | self::NOT_END;602        $this->digramRules['p']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;603        $this->digramRules['p']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;604        $this->digramRules['p']['o'] = self::ANY_COMBINATION;605        $this->digramRules['p']['p'] = self::NOT_BEGIN | self::PREFIX;606        $this->digramRules['p']['r'] = self::NOT_END;607        $this->digramRules['p']['s'] = self::NOT_BEGIN | self::END;608        $this->digramRules['p']['t'] = self::NOT_BEGIN | self::END;609        $this->digramRules['p']['u'] = self::NOT_BEGIN | self::END;610        $this->digramRules['p']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;611        $this->digramRules['p']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;612        $this->digramRules['p']['x'] = self::ILLEGAL_PAIR;613        $this->digramRules['p']['y'] = self::ANY_COMBINATION;614        $this->digramRules['p']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;615        $this->digramRules['p']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;616        $this->digramRules['p']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;617        $this->digramRules['p']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;618        $this->digramRules['p']['rh'] = self::ILLEGAL_PAIR;619        $this->digramRules['p']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;620        $this->digramRules['p']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;621        $this->digramRules['p']['wh'] = self::ILLEGAL_PAIR;622        $this->digramRules['p']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;623        $this->digramRules['p']['ck'] = self::ILLEGAL_PAIR;624        $this->digramRules['r'] = [];625        $this->digramRules['r']['a'] = self::ANY_COMBINATION;626        $this->digramRules['r']['b'] = self::NOT_BEGIN | self::PREFIX;627        $this->digramRules['r']['c'] = self::NOT_BEGIN | self::PREFIX;628        $this->digramRules['r']['d'] = self::NOT_BEGIN | self::PREFIX;629        $this->digramRules['r']['e'] = self::ANY_COMBINATION;630        $this->digramRules['r']['f'] = self::NOT_BEGIN | self::PREFIX;631        $this->digramRules['r']['g'] = self::NOT_BEGIN | self::PREFIX;632        $this->digramRules['r']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;633        $this->digramRules['r']['i'] = self::ANY_COMBINATION;634        $this->digramRules['r']['j'] = self::NOT_BEGIN | self::PREFIX;635        $this->digramRules['r']['k'] = self::NOT_BEGIN | self::PREFIX;636        $this->digramRules['r']['l'] = self::NOT_BEGIN | self::PREFIX;637        $this->digramRules['r']['m'] = self::NOT_BEGIN | self::PREFIX;638        $this->digramRules['r']['n'] = self::NOT_BEGIN | self::PREFIX;639        $this->digramRules['r']['o'] = self::ANY_COMBINATION;640        $this->digramRules['r']['p'] = self::NOT_BEGIN | self::PREFIX;641        $this->digramRules['r']['r'] = self::NOT_BEGIN | self::PREFIX;642        $this->digramRules['r']['s'] = self::NOT_BEGIN | self::PREFIX;643        $this->digramRules['r']['t'] = self::NOT_BEGIN | self::PREFIX;644        $this->digramRules['r']['u'] = self::ANY_COMBINATION;645        $this->digramRules['r']['v'] = self::NOT_BEGIN | self::PREFIX;646        $this->digramRules['r']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;647        $this->digramRules['r']['x'] = self::ILLEGAL_PAIR;648        $this->digramRules['r']['y'] = self::ANY_COMBINATION;649        $this->digramRules['r']['z'] = self::NOT_BEGIN | self::PREFIX;650        $this->digramRules['r']['ch'] = self::NOT_BEGIN | self::PREFIX;651        $this->digramRules['r']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;652        $this->digramRules['r']['ph'] = self::NOT_BEGIN | self::PREFIX;653        $this->digramRules['r']['rh'] = self::ILLEGAL_PAIR;654        $this->digramRules['r']['sh'] = self::NOT_BEGIN | self::PREFIX;655        $this->digramRules['r']['th'] = self::NOT_BEGIN | self::PREFIX;656        $this->digramRules['r']['wh'] = self::ILLEGAL_PAIR;657        $this->digramRules['r']['qu'] = self::NOT_BEGIN | self::PREFIX | self::NOT_END;658        $this->digramRules['r']['ck'] = self::NOT_BEGIN | self::PREFIX;659        $this->digramRules['s'] = [];660        $this->digramRules['s']['a'] = self::ANY_COMBINATION;661        $this->digramRules['s']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;662        $this->digramRules['s']['c'] = self::NOT_END;663        $this->digramRules['s']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;664        $this->digramRules['s']['e'] = self::ANY_COMBINATION;665        $this->digramRules['s']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;666        $this->digramRules['s']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;667        $this->digramRules['s']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;668        $this->digramRules['s']['i'] = self::ANY_COMBINATION;669        $this->digramRules['s']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;670        $this->digramRules['s']['k'] = self::ANY_COMBINATION;671        $this->digramRules['s']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;672        $this->digramRules['s']['m'] = self::SUFFIX | self::NOT_END;673        $this->digramRules['s']['n'] = self::PREFIX | self::SUFFIX | self::NOT_END;674        $this->digramRules['s']['o'] = self::ANY_COMBINATION;675        $this->digramRules['s']['p'] = self::ANY_COMBINATION;676        $this->digramRules['s']['r'] = self::NOT_BEGIN | self::NOT_END;677        $this->digramRules['s']['s'] = self::NOT_BEGIN | self::PREFIX;678        $this->digramRules['s']['t'] = self::ANY_COMBINATION;679        $this->digramRules['s']['u'] = self::ANY_COMBINATION;680        $this->digramRules['s']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;681        $this->digramRules['s']['w'] = self::BEGIN | self::SUFFIX | self::NOT_END;682        $this->digramRules['s']['x'] = self::ILLEGAL_PAIR;683        $this->digramRules['s']['y'] = self::ANY_COMBINATION;684        $this->digramRules['s']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;685        $this->digramRules['s']['ch'] = self::BEGIN | self::SUFFIX | self::NOT_END;686        $this->digramRules['s']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;687        $this->digramRules['s']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;688        $this->digramRules['s']['rh'] = self::ILLEGAL_PAIR;689        $this->digramRules['s']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;690        $this->digramRules['s']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;691        $this->digramRules['s']['wh'] = self::ILLEGAL_PAIR;692        $this->digramRules['s']['qu'] = self::SUFFIX | self::NOT_END;693        $this->digramRules['s']['ck'] = self::NOT_BEGIN;694        $this->digramRules['t'] = [];695        $this->digramRules['t']['a'] = self::ANY_COMBINATION;696        $this->digramRules['t']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;697        $this->digramRules['t']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;698        $this->digramRules['t']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;699        $this->digramRules['t']['e'] = self::ANY_COMBINATION;700        $this->digramRules['t']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;701        $this->digramRules['t']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;702        $this->digramRules['t']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;703        $this->digramRules['t']['i'] = self::ANY_COMBINATION;704        $this->digramRules['t']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;705        $this->digramRules['t']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;706        $this->digramRules['t']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;707        $this->digramRules['t']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;708        $this->digramRules['t']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;709        $this->digramRules['t']['o'] = self::ANY_COMBINATION;710        $this->digramRules['t']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;711        $this->digramRules['t']['r'] = self::NOT_END;712        $this->digramRules['t']['s'] = self::NOT_BEGIN | self::END;713        $this->digramRules['t']['t'] = self::NOT_BEGIN | self::PREFIX;714        $this->digramRules['t']['u'] = self::ANY_COMBINATION;715        $this->digramRules['t']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;716        $this->digramRules['t']['w'] = self::BEGIN | self::SUFFIX | self::NOT_END;717        $this->digramRules['t']['x'] = self::ILLEGAL_PAIR;718        $this->digramRules['t']['y'] = self::ANY_COMBINATION;719        $this->digramRules['t']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;720        $this->digramRules['t']['ch'] = self::NOT_BEGIN;721        $this->digramRules['t']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;722        $this->digramRules['t']['ph'] = self::NOT_BEGIN | self::END;723        $this->digramRules['t']['rh'] = self::ILLEGAL_PAIR;724        $this->digramRules['t']['sh'] = self::NOT_BEGIN | self::END;725        $this->digramRules['t']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;726        $this->digramRules['t']['wh'] = self::ILLEGAL_PAIR;727        $this->digramRules['t']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;728        $this->digramRules['t']['ck'] = self::ILLEGAL_PAIR;729        $this->digramRules['u'] = [];730        $this->digramRules['u']['a'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;731        $this->digramRules['u']['b'] = self::ANY_COMBINATION;732        $this->digramRules['u']['c'] = self::ANY_COMBINATION;733        $this->digramRules['u']['d'] = self::ANY_COMBINATION;734        $this->digramRules['u']['e'] = self::NOT_BEGIN;735        $this->digramRules['u']['f'] = self::ANY_COMBINATION;736        $this->digramRules['u']['g'] = self::ANY_COMBINATION;737        $this->digramRules['u']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;738        $this->digramRules['u']['i'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;739        $this->digramRules['u']['j'] = self::ANY_COMBINATION;740        $this->digramRules['u']['k'] = self::ANY_COMBINATION;741        $this->digramRules['u']['l'] = self::ANY_COMBINATION;742        $this->digramRules['u']['m'] = self::ANY_COMBINATION;743        $this->digramRules['u']['n'] = self::ANY_COMBINATION;744        $this->digramRules['u']['o'] = self::NOT_BEGIN | self::BREAK_GRAM;745        $this->digramRules['u']['p'] = self::ANY_COMBINATION;746        $this->digramRules['u']['r'] = self::ANY_COMBINATION;747        $this->digramRules['u']['s'] = self::ANY_COMBINATION;748        $this->digramRules['u']['t'] = self::ANY_COMBINATION;749        $this->digramRules['u']['u'] = self::ILLEGAL_PAIR;750        $this->digramRules['u']['v'] = self::ANY_COMBINATION;751        $this->digramRules['u']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;752        $this->digramRules['u']['x'] = self::ANY_COMBINATION;753        $this->digramRules['u']['y'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;754        $this->digramRules['u']['z'] = self::ANY_COMBINATION;755        $this->digramRules['u']['ch'] = self::ANY_COMBINATION;756        $this->digramRules['u']['gh'] = self::NOT_BEGIN | self::PREFIX;757        $this->digramRules['u']['ph'] = self::ANY_COMBINATION;758        $this->digramRules['u']['rh'] = self::ILLEGAL_PAIR;759        $this->digramRules['u']['sh'] = self::ANY_COMBINATION;760        $this->digramRules['u']['th'] = self::ANY_COMBINATION;761        $this->digramRules['u']['wh'] = self::ILLEGAL_PAIR;762        $this->digramRules['u']['qu'] = self::BREAK_GRAM | self::NOT_END;763        $this->digramRules['u']['ck'] = self::ANY_COMBINATION;764        $this->digramRules['v'] = [];765        $this->digramRules['v']['a'] = self::ANY_COMBINATION;766        $this->digramRules['v']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;767        $this->digramRules['v']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;768        $this->digramRules['v']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;769        $this->digramRules['v']['e'] = self::ANY_COMBINATION;770        $this->digramRules['v']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;771        $this->digramRules['v']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;772        $this->digramRules['v']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;773        $this->digramRules['v']['i'] = self::ANY_COMBINATION;774        $this->digramRules['v']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;775        $this->digramRules['v']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;776        $this->digramRules['v']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;777        $this->digramRules['v']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;778        $this->digramRules['v']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;779        $this->digramRules['v']['o'] = self::ANY_COMBINATION;780        $this->digramRules['v']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;781        $this->digramRules['v']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;782        $this->digramRules['v']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;783        $this->digramRules['v']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;784        $this->digramRules['v']['u'] = self::ANY_COMBINATION;785        $this->digramRules['v']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;786        $this->digramRules['v']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;787        $this->digramRules['v']['x'] = self::ILLEGAL_PAIR;788        $this->digramRules['v']['y'] = self::NOT_BEGIN;789        $this->digramRules['v']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;790        $this->digramRules['v']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;791        $this->digramRules['v']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;792        $this->digramRules['v']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;793        $this->digramRules['v']['rh'] = self::ILLEGAL_PAIR;794        $this->digramRules['v']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;795        $this->digramRules['v']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;796        $this->digramRules['v']['wh'] = self::ILLEGAL_PAIR;797        $this->digramRules['v']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;798        $this->digramRules['v']['ck'] = self::ILLEGAL_PAIR;799        $this->digramRules['w'] = [];800        $this->digramRules['w']['a'] = self::ANY_COMBINATION;801        $this->digramRules['w']['b'] = self::NOT_BEGIN | self::PREFIX;802        $this->digramRules['w']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;803        $this->digramRules['w']['d'] = self::NOT_BEGIN | self::PREFIX | self::END;804        $this->digramRules['w']['e'] = self::ANY_COMBINATION;805        $this->digramRules['w']['f'] = self::NOT_BEGIN | self::PREFIX;806        $this->digramRules['w']['g'] = self::NOT_BEGIN | self::PREFIX | self::END;807        $this->digramRules['w']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;808        $this->digramRules['w']['i'] = self::ANY_COMBINATION;809        $this->digramRules['w']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;810        $this->digramRules['w']['k'] = self::NOT_BEGIN | self::PREFIX;811        $this->digramRules['w']['l'] = self::NOT_BEGIN | self::PREFIX | self::SUFFIX;812        $this->digramRules['w']['m'] = self::NOT_BEGIN | self::PREFIX;813        $this->digramRules['w']['n'] = self::NOT_BEGIN | self::PREFIX;814        $this->digramRules['w']['o'] = self::ANY_COMBINATION;815        $this->digramRules['w']['p'] = self::NOT_BEGIN | self::PREFIX;816        $this->digramRules['w']['r'] = self::BEGIN | self::SUFFIX | self::NOT_END;817        $this->digramRules['w']['s'] = self::NOT_BEGIN | self::PREFIX;818        $this->digramRules['w']['t'] = self::NOT_BEGIN | self::PREFIX;819        $this->digramRules['w']['u'] = self::ANY_COMBINATION;820        $this->digramRules['w']['v'] = self::NOT_BEGIN | self::PREFIX;821        $this->digramRules['w']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;822        $this->digramRules['w']['x'] = self::NOT_BEGIN | self::PREFIX;823        $this->digramRules['w']['y'] = self::ANY_COMBINATION;824        $this->digramRules['w']['z'] = self::NOT_BEGIN | self::PREFIX;825        $this->digramRules['w']['ch'] = self::NOT_BEGIN;826        $this->digramRules['w']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;827        $this->digramRules['w']['ph'] = self::NOT_BEGIN;828        $this->digramRules['w']['rh'] = self::ILLEGAL_PAIR;829        $this->digramRules['w']['sh'] = self::NOT_BEGIN;830        $this->digramRules['w']['th'] = self::NOT_BEGIN;831        $this->digramRules['w']['wh'] = self::ILLEGAL_PAIR;832        $this->digramRules['w']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;833        $this->digramRules['w']['ck'] = self::NOT_BEGIN;834        $this->digramRules['x'] = [];835        $this->digramRules['x']['a'] = self::NOT_BEGIN;836        $this->digramRules['x']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;837        $this->digramRules['x']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;838        $this->digramRules['x']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;839        $this->digramRules['x']['e'] = self::NOT_BEGIN;840        $this->digramRules['x']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;841        $this->digramRules['x']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;842        $this->digramRules['x']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;843        $this->digramRules['x']['i'] = self::NOT_BEGIN;844        $this->digramRules['x']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;845        $this->digramRules['x']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;846        $this->digramRules['x']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;847        $this->digramRules['x']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;848        $this->digramRules['x']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;849        $this->digramRules['x']['o'] = self::NOT_BEGIN;850        $this->digramRules['x']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;851        $this->digramRules['x']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;852        $this->digramRules['x']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;853        $this->digramRules['x']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;854        $this->digramRules['x']['u'] = self::NOT_BEGIN;855        $this->digramRules['x']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;856        $this->digramRules['x']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;857        $this->digramRules['x']['x'] = self::ILLEGAL_PAIR;858        $this->digramRules['x']['y'] = self::NOT_BEGIN;859        $this->digramRules['x']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;860        $this->digramRules['x']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;861        $this->digramRules['x']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;862        $this->digramRules['x']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;863        $this->digramRules['x']['rh'] = self::ILLEGAL_PAIR;864        $this->digramRules['x']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;865        $this->digramRules['x']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;866        $this->digramRules['x']['wh'] = self::ILLEGAL_PAIR;867        $this->digramRules['x']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;868        $this->digramRules['x']['ck'] = self::ILLEGAL_PAIR;869        $this->digramRules['y'] = [];870        $this->digramRules['y']['a'] = self::ANY_COMBINATION;871        $this->digramRules['y']['b'] = self::NOT_BEGIN;872        $this->digramRules['y']['c'] = self::NOT_BEGIN | self::NOT_END;873        $this->digramRules['y']['d'] = self::NOT_BEGIN;874        $this->digramRules['y']['e'] = self::ANY_COMBINATION;875        $this->digramRules['y']['f'] = self::NOT_BEGIN | self::NOT_END;876        $this->digramRules['y']['g'] = self::NOT_BEGIN;877        $this->digramRules['y']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;878        $this->digramRules['y']['i'] = self::BEGIN | self::NOT_END;879        $this->digramRules['y']['j'] = self::NOT_BEGIN | self::NOT_END;880        $this->digramRules['y']['k'] = self::NOT_BEGIN;881        $this->digramRules['y']['l'] = self::NOT_BEGIN | self::NOT_END;882        $this->digramRules['y']['m'] = self::NOT_BEGIN;883        $this->digramRules['y']['n'] = self::NOT_BEGIN;884        $this->digramRules['y']['o'] = self::ANY_COMBINATION;885        $this->digramRules['y']['p'] = self::NOT_BEGIN;886        $this->digramRules['y']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;887        $this->digramRules['y']['s'] = self::NOT_BEGIN;888        $this->digramRules['y']['t'] = self::NOT_BEGIN;889        $this->digramRules['y']['u'] = self::ANY_COMBINATION;890        $this->digramRules['y']['v'] = self::NOT_BEGIN | self::NOT_END;891        $this->digramRules['y']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;892        $this->digramRules['y']['x'] = self::NOT_BEGIN;893        $this->digramRules['y']['y'] = self::ILLEGAL_PAIR;894        $this->digramRules['y']['z'] = self::NOT_BEGIN;895        $this->digramRules['y']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;896        $this->digramRules['y']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;897        $this->digramRules['y']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;898        $this->digramRules['y']['rh'] = self::ILLEGAL_PAIR;899        $this->digramRules['y']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;900        $this->digramRules['y']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;901        $this->digramRules['y']['wh'] = self::ILLEGAL_PAIR;902        $this->digramRules['y']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;903        $this->digramRules['y']['ck'] = self::ILLEGAL_PAIR;904        $this->digramRules['z'] = [];905        $this->digramRules['z']['a'] = self::ANY_COMBINATION;906        $this->digramRules['z']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;907        $this->digramRules['z']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;908        $this->digramRules['z']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;909        $this->digramRules['z']['e'] = self::ANY_COMBINATION;910        $this->digramRules['z']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;911        $this->digramRules['z']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;912        $this->digramRules['z']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;913        $this->digramRules['z']['i'] = self::ANY_COMBINATION;914        $this->digramRules['z']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;915        $this->digramRules['z']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;916        $this->digramRules['z']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;917        $this->digramRules['z']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;918        $this->digramRules['z']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;919        $this->digramRules['z']['o'] = self::ANY_COMBINATION;920        $this->digramRules['z']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;921        $this->digramRules['z']['r'] = self::NOT_BEGIN | self::NOT_END;922        $this->digramRules['z']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;923        $this->digramRules['z']['t'] = self::NOT_BEGIN;924        $this->digramRules['z']['u'] = self::ANY_COMBINATION;925        $this->digramRules['z']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;926        $this->digramRules['z']['w'] = self::SUFFIX | self::NOT_END;927        $this->digramRules['z']['x'] = self::ILLEGAL_PAIR;928        $this->digramRules['z']['y'] = self::ANY_COMBINATION;929        $this->digramRules['z']['z'] = self::NOT_BEGIN;930        $this->digramRules['z']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;931        $this->digramRules['z']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;932        $this->digramRules['z']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;933        $this->digramRules['z']['rh'] = self::ILLEGAL_PAIR;934        $this->digramRules['z']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;935        $this->digramRules['z']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;936        $this->digramRules['z']['wh'] = self::ILLEGAL_PAIR;937        $this->digramRules['z']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;938        $this->digramRules['z']['ck'] = self::ILLEGAL_PAIR;939        $this->digramRules['ch'] = [];940        $this->digramRules['ch']['a'] = self::ANY_COMBINATION;941        $this->digramRules['ch']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;942        $this->digramRules['ch']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;943        $this->digramRules['ch']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;944        $this->digramRules['ch']['e'] = self::ANY_COMBINATION;945        $this->digramRules['ch']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;946        $this->digramRules['ch']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;947        $this->digramRules['ch']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;948        $this->digramRules['ch']['i'] = self::ANY_COMBINATION;949        $this->digramRules['ch']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;950        $this->digramRules['ch']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;951        $this->digramRules['ch']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;952        $this->digramRules['ch']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;953        $this->digramRules['ch']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;954        $this->digramRules['ch']['o'] = self::ANY_COMBINATION;955        $this->digramRules['ch']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;956        $this->digramRules['ch']['r'] = self::NOT_END;957        $this->digramRules['ch']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;958        $this->digramRules['ch']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;959        $this->digramRules['ch']['u'] = self::ANY_COMBINATION;960        $this->digramRules['ch']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;961        $this->digramRules['ch']['w'] = self::NOT_BEGIN | self::NOT_END;962        $this->digramRules['ch']['x'] = self::ILLEGAL_PAIR;963        $this->digramRules['ch']['y'] = self::ANY_COMBINATION;964        $this->digramRules['ch']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;965        $this->digramRules['ch']['ch'] = self::ILLEGAL_PAIR;966        $this->digramRules['ch']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;967        $this->digramRules['ch']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;968        $this->digramRules['ch']['rh'] = self::ILLEGAL_PAIR;969        $this->digramRules['ch']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;970        $this->digramRules['ch']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;971        $this->digramRules['ch']['wh'] = self::ILLEGAL_PAIR;972        $this->digramRules['ch']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;973        $this->digramRules['ch']['ck'] = self::ILLEGAL_PAIR;974        $this->digramRules['gh'] = [];975        $this->digramRules['gh']['a'] = self::ANY_COMBINATION;976        $this->digramRules['gh']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;977        $this->digramRules['gh']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;978        $this->digramRules['gh']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;979        $this->digramRules['gh']['e'] = self::ANY_COMBINATION;980        $this->digramRules['gh']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;981        $this->digramRules['gh']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;982        $this->digramRules['gh']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;983        $this->digramRules['gh']['i'] = self::BEGIN | self::NOT_END;984        $this->digramRules['gh']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;985        $this->digramRules['gh']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;986        $this->digramRules['gh']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;987        $this->digramRules['gh']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;988        $this->digramRules['gh']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;989        $this->digramRules['gh']['o'] = self::BEGIN | self::NOT_END;990        $this->digramRules['gh']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;991        $this->digramRules['gh']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;992        $this->digramRules['gh']['s'] = self::NOT_BEGIN | self::PREFIX;993        $this->digramRules['gh']['t'] = self::NOT_BEGIN | self::PREFIX;994        $this->digramRules['gh']['u'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;995        $this->digramRules['gh']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;996        $this->digramRules['gh']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;997        $this->digramRules['gh']['x'] = self::ILLEGAL_PAIR;998        $this->digramRules['gh']['y'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;999        $this->digramRules['gh']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1000        $this->digramRules['gh']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1001        $this->digramRules['gh']['gh'] = self::ILLEGAL_PAIR;1002        $this->digramRules['gh']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1003        $this->digramRules['gh']['rh'] = self::ILLEGAL_PAIR;1004        $this->digramRules['gh']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1005        $this->digramRules['gh']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1006        $this->digramRules['gh']['wh'] = self::ILLEGAL_PAIR;1007        $this->digramRules['gh']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::PREFIX | self::NOT_END;1008        $this->digramRules['gh']['ck'] = self::ILLEGAL_PAIR;1009        $this->digramRules['ph'] = [];1010        $this->digramRules['ph']['a'] = self::ANY_COMBINATION;1011        $this->digramRules['ph']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1012        $this->digramRules['ph']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1013        $this->digramRules['ph']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1014        $this->digramRules['ph']['e'] = self::ANY_COMBINATION;1015        $this->digramRules['ph']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1016        $this->digramRules['ph']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1017        $this->digramRules['ph']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1018        $this->digramRules['ph']['i'] = self::ANY_COMBINATION;1019        $this->digramRules['ph']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1020        $this->digramRules['ph']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1021        $this->digramRules['ph']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;1022        $this->digramRules['ph']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1023        $this->digramRules['ph']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1024        $this->digramRules['ph']['o'] = self::ANY_COMBINATION;1025        $this->digramRules['ph']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1026        $this->digramRules['ph']['r'] = self::NOT_END;1027        $this->digramRules['ph']['s'] = self::NOT_BEGIN;1028        $this->digramRules['ph']['t'] = self::NOT_BEGIN;1029        $this->digramRules['ph']['u'] = self::ANY_COMBINATION;1030        $this->digramRules['ph']['v'] = self::NOT_BEGIN | self::NOT_END;1031        $this->digramRules['ph']['w'] = self::NOT_BEGIN | self::NOT_END;1032        $this->digramRules['ph']['x'] = self::ILLEGAL_PAIR;1033        $this->digramRules['ph']['y'] = self::NOT_BEGIN;1034        $this->digramRules['ph']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1035        $this->digramRules['ph']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1036        $this->digramRules['ph']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1037        $this->digramRules['ph']['ph'] = self::ILLEGAL_PAIR;1038        $this->digramRules['ph']['rh'] = self::ILLEGAL_PAIR;1039        $this->digramRules['ph']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1040        $this->digramRules['ph']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1041        $this->digramRules['ph']['wh'] = self::ILLEGAL_PAIR;1042        $this->digramRules['ph']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1043        $this->digramRules['ph']['ck'] = self::ILLEGAL_PAIR;1044        $this->digramRules['rh'] = [];1045        $this->digramRules['rh']['a'] = self::BEGIN | self::NOT_END;1046        $this->digramRules['rh']['b'] = self::ILLEGAL_PAIR;1047        $this->digramRules['rh']['c'] = self::ILLEGAL_PAIR;1048        $this->digramRules['rh']['d'] = self::ILLEGAL_PAIR;1049        $this->digramRules['rh']['e'] = self::BEGIN | self::NOT_END;1050        $this->digramRules['rh']['f'] = self::ILLEGAL_PAIR;1051        $this->digramRules['rh']['g'] = self::ILLEGAL_PAIR;1052        $this->digramRules['rh']['h'] = self::ILLEGAL_PAIR;1053        $this->digramRules['rh']['i'] = self::BEGIN | self::NOT_END;1054        $this->digramRules['rh']['j'] = self::ILLEGAL_PAIR;1055        $this->digramRules['rh']['k'] = self::ILLEGAL_PAIR;1056        $this->digramRules['rh']['l'] = self::ILLEGAL_PAIR;1057        $this->digramRules['rh']['m'] = self::ILLEGAL_PAIR;1058        $this->digramRules['rh']['n'] = self::ILLEGAL_PAIR;1059        $this->digramRules['rh']['o'] = self::BEGIN | self::NOT_END;1060        $this->digramRules['rh']['p'] = self::ILLEGAL_PAIR;1061        $this->digramRules['rh']['r'] = self::ILLEGAL_PAIR;1062        $this->digramRules['rh']['s'] = self::ILLEGAL_PAIR;1063        $this->digramRules['rh']['t'] = self::ILLEGAL_PAIR;1064        $this->digramRules['rh']['u'] = self::BEGIN | self::NOT_END;1065        $this->digramRules['rh']['v'] = self::ILLEGAL_PAIR;1066        $this->digramRules['rh']['w'] = self::ILLEGAL_PAIR;1067        $this->digramRules['rh']['x'] = self::ILLEGAL_PAIR;1068        $this->digramRules['rh']['y'] = self::BEGIN | self::NOT_END;1069        $this->digramRules['rh']['z'] = self::ILLEGAL_PAIR;1070        $this->digramRules['rh']['ch'] = self::ILLEGAL_PAIR;1071        $this->digramRules['rh']['gh'] = self::ILLEGAL_PAIR;1072        $this->digramRules['rh']['ph'] = self::ILLEGAL_PAIR;1073        $this->digramRules['rh']['rh'] = self::ILLEGAL_PAIR;1074        $this->digramRules['rh']['sh'] = self::ILLEGAL_PAIR;1075        $this->digramRules['rh']['th'] = self::ILLEGAL_PAIR;1076        $this->digramRules['rh']['wh'] = self::ILLEGAL_PAIR;1077        $this->digramRules['rh']['qu'] = self::ILLEGAL_PAIR;1078        $this->digramRules['rh']['ck'] = self::ILLEGAL_PAIR;1079        $this->digramRules['sh'] = [];1080        $this->digramRules['sh']['a'] = self::ANY_COMBINATION;1081        $this->digramRules['sh']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1082        $this->digramRules['sh']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1083        $this->digramRules['sh']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1084        $this->digramRules['sh']['e'] = self::ANY_COMBINATION;1085        $this->digramRules['sh']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1086        $this->digramRules['sh']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1087        $this->digramRules['sh']['h'] = self::ILLEGAL_PAIR;1088        $this->digramRules['sh']['i'] = self::ANY_COMBINATION;1089        $this->digramRules['sh']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1090        $this->digramRules['sh']['k'] = self::NOT_BEGIN;1091        $this->digramRules['sh']['l'] = self::BEGIN | self::SUFFIX | self::NOT_END;1092        $this->digramRules['sh']['m'] = self::BEGIN | self::SUFFIX | self::NOT_END;1093        $this->digramRules['sh']['n'] = self::BEGIN | self::SUFFIX | self::NOT_END;1094        $this->digramRules['sh']['o'] = self::ANY_COMBINATION;1095        $this->digramRules['sh']['p'] = self::NOT_BEGIN;1096        $this->digramRules['sh']['r'] = self::BEGIN | self::SUFFIX | self::NOT_END;1097        $this->digramRules['sh']['s'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1098        $this->digramRules['sh']['t'] = self::SUFFIX;1099        $this->digramRules['sh']['u'] = self::ANY_COMBINATION;1100        $this->digramRules['sh']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1101        $this->digramRules['sh']['w'] = self::SUFFIX | self::NOT_END;1102        $this->digramRules['sh']['x'] = self::ILLEGAL_PAIR;1103        $this->digramRules['sh']['y'] = self::ANY_COMBINATION;1104        $this->digramRules['sh']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1105        $this->digramRules['sh']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1106        $this->digramRules['sh']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1107        $this->digramRules['sh']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1108        $this->digramRules['sh']['rh'] = self::ILLEGAL_PAIR;1109        $this->digramRules['sh']['sh'] = self::ILLEGAL_PAIR;1110        $this->digramRules['sh']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1111        $this->digramRules['sh']['wh'] = self::ILLEGAL_PAIR;1112        $this->digramRules['sh']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1113        $this->digramRules['sh']['ck'] = self::ILLEGAL_PAIR;1114        $this->digramRules['th'] = [];1115        $this->digramRules['th']['a'] = self::ANY_COMBINATION;1116        $this->digramRules['th']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1117        $this->digramRules['th']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1118        $this->digramRules['th']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1119        $this->digramRules['th']['e'] = self::ANY_COMBINATION;1120        $this->digramRules['th']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1121        $this->digramRules['th']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1122        $this->digramRules['th']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1123        $this->digramRules['th']['i'] = self::ANY_COMBINATION;1124        $this->digramRules['th']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1125        $this->digramRules['th']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1126        $this->digramRules['th']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1127        $this->digramRules['th']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1128        $this->digramRules['th']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1129        $this->digramRules['th']['o'] = self::ANY_COMBINATION;1130        $this->digramRules['th']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1131        $this->digramRules['th']['r'] = self::NOT_END;1132        $this->digramRules['th']['s'] = self::NOT_BEGIN | self::END;1133        $this->digramRules['th']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1134        $this->digramRules['th']['u'] = self::ANY_COMBINATION;1135        $this->digramRules['th']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1136        $this->digramRules['th']['w'] = self::SUFFIX | self::NOT_END;1137        $this->digramRules['th']['x'] = self::ILLEGAL_PAIR;1138        $this->digramRules['th']['y'] = self::ANY_COMBINATION;1139        $this->digramRules['th']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1140        $this->digramRules['th']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1141        $this->digramRules['th']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1142        $this->digramRules['th']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1143        $this->digramRules['th']['rh'] = self::ILLEGAL_PAIR;1144        $this->digramRules['th']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1145        $this->digramRules['th']['th'] = self::ILLEGAL_PAIR;1146        $this->digramRules['th']['wh'] = self::ILLEGAL_PAIR;1147        $this->digramRules['th']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1148        $this->digramRules['th']['ck'] = self::ILLEGAL_PAIR;1149        $this->digramRules['wh'] = [];1150        $this->digramRules['wh']['a'] = self::BEGIN | self::NOT_END;1151        $this->digramRules['wh']['b'] = self::ILLEGAL_PAIR;1152        $this->digramRules['wh']['c'] = self::ILLEGAL_PAIR;1153        $this->digramRules['wh']['d'] = self::ILLEGAL_PAIR;1154        $this->digramRules['wh']['e'] = self::BEGIN | self::NOT_END;1155        $this->digramRules['wh']['f'] = self::ILLEGAL_PAIR;1156        $this->digramRules['wh']['g'] = self::ILLEGAL_PAIR;1157        $this->digramRules['wh']['h'] = self::ILLEGAL_PAIR;1158        $this->digramRules['wh']['i'] = self::BEGIN | self::NOT_END;1159        $this->digramRules['wh']['j'] = self::ILLEGAL_PAIR;1160        $this->digramRules['wh']['k'] = self::ILLEGAL_PAIR;1161        $this->digramRules['wh']['l'] = self::ILLEGAL_PAIR;1162        $this->digramRules['wh']['m'] = self::ILLEGAL_PAIR;1163        $this->digramRules['wh']['n'] = self::ILLEGAL_PAIR;1164        $this->digramRules['wh']['o'] = self::BEGIN | self::NOT_END;1165        $this->digramRules['wh']['p'] = self::ILLEGAL_PAIR;1166        $this->digramRules['wh']['r'] = self::ILLEGAL_PAIR;1167        $this->digramRules['wh']['s'] = self::ILLEGAL_PAIR;1168        $this->digramRules['wh']['t'] = self::ILLEGAL_PAIR;1169        $this->digramRules['wh']['u'] = self::ILLEGAL_PAIR;1170        $this->digramRules['wh']['v'] = self::ILLEGAL_PAIR;1171        $this->digramRules['wh']['w'] = self::ILLEGAL_PAIR;1172        $this->digramRules['wh']['x'] = self::ILLEGAL_PAIR;1173        $this->digramRules['wh']['y'] = self::BEGIN | self::NOT_END;1174        $this->digramRules['wh']['z'] = self::ILLEGAL_PAIR;1175        $this->digramRules['wh']['ch'] = self::ILLEGAL_PAIR;1176        $this->digramRules['wh']['gh'] = self::ILLEGAL_PAIR;1177        $this->digramRules['wh']['ph'] = self::ILLEGAL_PAIR;1178        $this->digramRules['wh']['rh'] = self::ILLEGAL_PAIR;1179        $this->digramRules['wh']['sh'] = self::ILLEGAL_PAIR;1180        $this->digramRules['wh']['th'] = self::ILLEGAL_PAIR;1181        $this->digramRules['wh']['wh'] = self::ILLEGAL_PAIR;1182        $this->digramRules['wh']['qu'] = self::ILLEGAL_PAIR;1183        $this->digramRules['wh']['ck'] = self::ILLEGAL_PAIR;1184        $this->digramRules['qu'] = [];1185        $this->digramRules['qu']['a'] = self::ANY_COMBINATION;1186        $this->digramRules['qu']['b'] = self::ILLEGAL_PAIR;1187        $this->digramRules['qu']['c'] = self::ILLEGAL_PAIR;1188        $this->digramRules['qu']['d'] = self::ILLEGAL_PAIR;1189        $this->digramRules['qu']['e'] = self::ANY_COMBINATION;1190        $this->digramRules['qu']['f'] = self::ILLEGAL_PAIR;1191        $this->digramRules['qu']['g'] = self::ILLEGAL_PAIR;1192        $this->digramRules['qu']['h'] = self::ILLEGAL_PAIR;1193        $this->digramRules['qu']['i'] = self::ANY_COMBINATION;1194        $this->digramRules['qu']['j'] = self::ILLEGAL_PAIR;1195        $this->digramRules['qu']['k'] = self::ILLEGAL_PAIR;1196        $this->digramRules['qu']['l'] = self::ILLEGAL_PAIR;1197        $this->digramRules['qu']['m'] = self::ILLEGAL_PAIR;1198        $this->digramRules['qu']['n'] = self::ILLEGAL_PAIR;1199        $this->digramRules['qu']['o'] = self::ANY_COMBINATION;1200        $this->digramRules['qu']['p'] = self::ILLEGAL_PAIR;1201        $this->digramRules['qu']['r'] = self::ILLEGAL_PAIR;1202        $this->digramRules['qu']['s'] = self::ILLEGAL_PAIR;1203        $this->digramRules['qu']['t'] = self::ILLEGAL_PAIR;1204        $this->digramRules['qu']['u'] = self::ILLEGAL_PAIR;1205        $this->digramRules['qu']['v'] = self::ILLEGAL_PAIR;1206        $this->digramRules['qu']['w'] = self::ILLEGAL_PAIR;1207        $this->digramRules['qu']['x'] = self::ILLEGAL_PAIR;1208        $this->digramRules['qu']['y'] = self::ILLEGAL_PAIR;1209        $this->digramRules['qu']['z'] = self::ILLEGAL_PAIR;1210        $this->digramRules['qu']['ch'] = self::ILLEGAL_PAIR;1211        $this->digramRules['qu']['gh'] = self::ILLEGAL_PAIR;1212        $this->digramRules['qu']['ph'] = self::ILLEGAL_PAIR;1213        $this->digramRules['qu']['rh'] = self::ILLEGAL_PAIR;1214        $this->digramRules['qu']['sh'] = self::ILLEGAL_PAIR;1215        $this->digramRules['qu']['th'] = self::ILLEGAL_PAIR;1216        $this->digramRules['qu']['wh'] = self::ILLEGAL_PAIR;1217        $this->digramRules['qu']['qu'] = self::ILLEGAL_PAIR;1218        $this->digramRules['qu']['ck'] = self::ILLEGAL_PAIR;1219        $this->digramRules['ck'] = [];1220        $this->digramRules['ck']['a'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1221        $this->digramRules['ck']['b'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1222        $this->digramRules['ck']['c'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1223        $this->digramRules['ck']['d'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1224        $this->digramRules['ck']['e'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1225        $this->digramRules['ck']['f'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1226        $this->digramRules['ck']['g'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1227        $this->digramRules['ck']['h'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1228        $this->digramRules['ck']['i'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1229        $this->digramRules['ck']['j'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1230        $this->digramRules['ck']['k'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1231        $this->digramRules['ck']['l'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1232        $this->digramRules['ck']['m'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1233        $this->digramRules['ck']['n'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1234        $this->digramRules['ck']['o'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1235        $this->digramRules['ck']['p'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1236        $this->digramRules['ck']['r'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1237        $this->digramRules['ck']['s'] = self::NOT_BEGIN;1238        $this->digramRules['ck']['t'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1239        $this->digramRules['ck']['u'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1240        $this->digramRules['ck']['v'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1241        $this->digramRules['ck']['w'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1242        $this->digramRules['ck']['x'] = self::ILLEGAL_PAIR;1243        $this->digramRules['ck']['y'] = self::NOT_BEGIN;1244        $this->digramRules['ck']['z'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1245        $this->digramRules['ck']['ch'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1246        $this->digramRules['ck']['gh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1247        $this->digramRules['ck']['ph'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1248        $this->digramRules['ck']['rh'] = self::ILLEGAL_PAIR;1249        $this->digramRules['ck']['sh'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1250        $this->digramRules['ck']['th'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1251        $this->digramRules['ck']['wh'] = self::ILLEGAL_PAIR;1252        $this->digramRules['ck']['qu'] = self::NOT_BEGIN | self::BREAK_GRAM | self::NOT_END;1253        $this->digramRules['ck']['ck'] = self::ILLEGAL_PAIR;1254    }1255    public function setSeparator($sep)1256    {1257        $this->separator = $sep;1258    }1259    public function generate($length)1260    {1261        return $this->generateWord($length);1262    }1263    private function generateWord($length)1264    {1265        $word = '';1266        $syllables = [];1267        $maxRetries = (4 * $length) + count($this->grams);1268        $tries = 0;1269        $wordUnits = [];1270        $savedPair = [];1271        while (strlen($word) < $length) {1272            list($new, $units, $savedPair) = $this->getSyllable($length - strlen($word), $savedPair);1273            $wordUnits = array_merge($wordUnits, $units);1274            if (!($this->isImproperWord($wordUnits) || ($word === '' && $this->haveInitialY($units)) || (strlen($word . $new) === $length && $this->haveFinalSplit($units)))) {1275                $word = $word . $new;1276                $syllables[] = $new;1277            }1278            $tries += 1;1279            if ($tries > $maxRetries) {1280                $tries = 0;1281                $word = '';1282                $syllables = [];1283                $wordUnits = [];1284            }1285        }1286        return implode($this->separator, $syllables);1287    }1288    private function getSyllable($length, $savedPair)1289    {1290        $holdSavedPair = $savedPair;1291        $maxRetries = (4 * $length) + count($this->grams);1292        do {1293            $tries = 0;1294            $lastUnit = '';1295            $savedPair = $holdSavedPair;1296            $syllable = '';1297            $unitsInSyllable = [];1298            $vowelCount = 0;1299            $currentUnit = 0;1300            $lengthLeft = $length;1301            $wantAnotherUnit = true;1302            do {1303                $wantVowel = false;1304                do {1305                    if (count($savedPair) === 2) {1306                        $syllable = array_pop($savedPair);1307                        $unitsInSyllable[0] = $syllable;1308                        $currentUnit += 1;1309                        $lengthLeft -= strlen($syllable);1310                        if ($this->gramRules[$syllable] & self::VOWEL) {1311                            $vowelCount += 1;1312                        }1313                    }1314                    if (count($savedPair) > 0) {1315                        $unit = array_pop($savedPair);1316                    } else {1317                        if ($wantVowel) {1318                            $unit = $this->getRandomUnit(self::VOWEL);1319                        } else {1320                            $unit = $this->getRandomUnit(self::NO_SPECIAL_RULE);1321                        }1322                    }1323                    $lengthLeft -= strlen($unit);1324                    $ruleBroken = $lengthLeft < 0;1325                    if ($currentUnit === 0) {1326                        if ($this->gramRules[$unit] & self::NOT_BEGIN_SYLLABLE) {1327                            $ruleBroken = true;1328                        } elseif ($lengthLeft === 0) {1329                            if ($this->gramRules[$unit] & self::VOWEL) {1330                                $wantAnotherUnit = false;1331                            } else {1332                                $ruleBroken = true;1333                            }1334                        }1335                    } else {1336                        $digrams = $this->digramRules;1337                        $allowed = function ($flag) use ($digrams, $unitsInSyllable, $currentUnit, $unit) {1338                            return $digrams[$unitsInSyllable[$currentUnit - 1]][$unit] & $flag;1339                        };1340                        if (1341                            $allowed(self::ILLEGAL_PAIR) ||1342                            ($allowed(self::BREAK_GRAM) && $vowelCount === 0) ||1343                            ($allowed(self::END) && $vowelCount === 0 && !($this->gramRules[$unit] & self::VOWEL))1344                        ) {1345                            $ruleBroken = true;1346                        }1347                        if ($currentUnit === 1) {1348                            if ($allowed(self::NOT_BEGIN)) {1349                                $ruleBroken = true;1350                            }1351                        } else {1352                            $lastUnit = $unitsInSyllable[$currentUnit - 1];1353                            if (1354                                ($currentUnit === 2 && $allowed(self::BEGIN) && ($this->gramRules[$unitsInSyllable[0]] & self::ALTERNATE_VOWEL)) ||1355                                ($allowed(self::NOT_END) && $lengthLeft === 0) ||1356                                ($allowed(self::BREAK_GRAM) || $this->digramRules[$unitsInSyllable[$currentUnit - 2]][$lastUnit] & self::NOT_END) ||1357                                ($allowed(self::PREFIX) && !($this->gramRules[$unitsInSyllable[$currentUnit - 2]] & self::VOWEL))1358                            ) {1359                                $ruleBroken = true;1360                            }1361                            if (1362                                !$ruleBroken &&1363                                $this->gramRules[$unit] & self::VOWEL &&1364                                ($lengthLeft > 0 || !($this->gramRules[$lastUnit] & self::NO_FINAL_SPLIT))1365                            ) {1366                                if ($vowelCount > 0 && $this->gramRules[$lastUnit] & self::VOWEL) {1367                                    $ruleBroken = true;1368                                } elseif ($vowelCount !== 0 && !($this->gramRules[$lastUnit] && self::VOWEL)) {1369                                    if ($this->digramRules[$unitsInSyllable[$currentUnit - 2]][$lastUnit] & self::NOT_END) {1370                                        $ruleBroken = true;1371                                    } else {1372                                        $savedPair = [$unit];1373                                        $wantAnotherUnit = false;1374                                    }1375                                }1376                            }1377                        }1378                        if (!$ruleBroken && $wantAnotherUnit) {1379                            if (1380                                (1381                                    $vowelCount !== 0 &&1382                                    ($this->gramRules[$unit] & self::NO_FINAL_SPLIT) &&1383                                    $lengthLeft === 0 &&1384                                    ($lastUnit && !($this->gramRules[$lastUnit] & self::VOWEL))1385                                ) || ($allowed(self::END) || $lengthLeft === 0)1386                            ) {1387                                $wantAnotherUnit = false;1388                            } elseif ($vowelCount !== 0 && $lengthLeft > 0) {1389                                if (1390                                    $allowed(self::BEGIN) &&1391                                    $currentUnit > 1 &&1392                                    !($vowelCount === 1 && $this->gramRules[$lastUnit] & self::VOWEL)1393                                ) {1394                                    $savedPair = [$unit, $lastUnit];1395                                    $wantAnotherUnit = false;1396                                } elseif ($allowed(self::BREAK_GRAM)) {1397                                    $savedPair = [$unit];1398                                    $wantAnotherUnit = false;1399                                }1400                            } elseif ($allowed(self::SUFFIX)) {1401                                $wantVowel = true;1402                            }1403                        }1404                    }1405                    $tries += 1;1406                    if ($ruleBroken) {1407                        $lengthLeft += strlen($unit);1408                    }1409                } while ($ruleBroken && $tries < $maxRetries);1410                if ($tries <= $maxRetries) {1411                    if (1412                        ($this->gramRules[$unit] & self::VOWEL) &&1413                        ($currentUnit > 0 || !($this->gramRules[$unit] & self::ALTERNATE_VOWEL))1414                    ) {1415                        $vowelCount += 1;1416                    }1417                    if (count($savedPair) === 2) {1418                        $syllable = substr($syllable, 0, strlen($syllable) - strlen($lastUnit));1419                        $lengthLeft += strlen($lastUnit);1420                        $currentUnit -= 2;1421                    } elseif (count($savedPair) === 1) {1422                        $currentUnit -= 1;1423                    } else {1424                        $unitsInSyllable[$currentUnit] = $unit;1425                        $syllable .= $unit;1426                    }1427                }1428                $currentUnit += 1;1429            } while ($tries <= $maxRetries && $wantAnotherUnit);1430        } while ($ruleBroken || $this->isIllegalPlacement($unitsInSyllable));1431        return [$syllable, $unitsInSyllable, $savedPair];1432    }1433    private function isIllegalPlacement($units)1434    {1435        $vowelCount = 0;1436        $failure = false;1437        foreach ($units as $unitCount => $unit) {1438            if ($failure) {1439                break;1440            }1441            if ($unitCount >= 1) {1442                if (1443                    (1444                        !($this->gramRules[$units[$unitCount - 1]] & self::VOWEL) &&1445                        ($this->gramRules[$unit] & self::VOWEL) &&1446                        !($this->gramRules[$unit] & self::NO_FINAL_SPLIT && $unitCount === count($unit)) &&1447                        $vowelCount > 01448                    )1449                    ||1450                    (1451                        $unitCount >= 2 &&1452                        (1453                            (1454                                !($this->gramRules[$units[$unitCount - 2]] & self::VOWEL) &&1455                                !($this->gramRules[$units[$unitCount - 1]] & self::VOWEL) &&1456                                !($this->gramRules[$unit] & self::VOWEL)1457                            )1458                            ||1459                            (1460                                ($this->gramRules[$units[$unitCount - 2]] & self::VOWEL) &&1461                                !(($this->gramRules[$units[0]] & self::ALTERNATE_VOWEL) && $unitCount === 2) &&1462                                ($this->gramRules[$units[$unitCount - 1]] & self::VOWEL) &&1463                                ($this->gramRules[$unit] & self::VOWEL)1464                            )1465                        )1466                    )1467                ) {1468                    $failure = true;1469                }1470            }1471            if (1472                $this->gramRules[$unit] & self::VOWEL &&1473                !(1474                    $this->gramRules[$units[0]] & self::ALTERNATE_VOWEL &&1475                    $unitCount === 0 &&1476                    count($units) > 11477                )1478            ) {1479                $vowelCount += 1;1480            }1481        }1482        return $failure;1483    }1484    private function getRandomUnit($type)1485    {1486        if ($type & self::VOWEL) {1487            return $this->chooseRandom($this->vowelGrams);1488        } else {1489            return $this->chooseRandom($this->grams);1490        }1491    }1492    private function isImproperWord($units)1493    {1494        foreach ($units as $unitCount => $unit) {1495            if ($unitCount > 0 && $this->digramRules[$units[$unitCount - 1]][$unit] & self::ILLEGAL_PAIR) {1496                return true;1497            }1498            if ($unitCount >= 2) {1499                if (1500                    (1501                        ($this->gramRules[$units[$unitCount - 2]] & self::VOWEL) &&1502                        !($this->gramRules[$units[$unitCount - 2]] & self::ALTERNATE_VOWEL) &&1503                        ($this->gramRules[$units[$unitCount - 1]] & self::VOWEL) &&1504                        ($this->gramRules[$unit] & self::VOWEL)1505                    )1506                    ||1507                    (1508                        !($this->gramRules[$units[$unitCount - 2]] & self::VOWEL) &&1509                        !($this->gramRules[$units[$unitCount - 1]] & self::VOWEL) &&1510                        !($this->gramRules[$units[$unitCount]] & self::VOWEL)1511                    )1512                ) {1513                    return true;1514                }1515            }1516        }1517        return false;1518    }1519    private function haveInitialY($units)1520    {1521        $vowelCount = 0;1522        $normalVowelCount = 0;1523        foreach ($units as $unitCount => $unit) {1524            if ($this->gramRules[$unit] & self::VOWEL) {1525                $vowelCount += 1;1526                if (!($this->gramRules[$unit] && self::ALTERNATE_VOWEL) || $unitCount > 0) {1527                    $normalVowelCount += 1;1528                }1529            }1530        }1531        return $vowelCount <= 1 && $normalVowelCount === 0;1532    }1533    private function haveFinalSplit($units)1534    {1535        $vowelCount = 0;1536        foreach ($units as $unit) {1537            if ($this->gramRules[$unit] & self::VOWEL) {1538                $vowelCount += 1;1539            }1540        }1541        return $vowelCount === 1 && ($this->gramRules[$units[count($units) - 1]] & self::NO_FINAL_SPLIT);1542    }1543}...