public static function setUpBeforeClass()
{
self::$romaji = new Romaji();
self::$hepburn = new Romaji('hepburn');
self::$hepburn_traditional = new Romaji('hepburn_traditional');
self::$kunrei = new Romaji('kunrei');
self::$nihon = new Romaji('nihon');
self::$wapuro = new Romaji('wapuro');
self::$kana = new Kana();
self::$hiragana = new Kana('hiragana');
self::$katakana = new Kana('katakana');
}