Implementation
Map<String, StringList> get leetAlphabet => {
"a": ['∆', '4', '/-\\', '/_\\', '@', '/\\', 'Д'],
"b": ['8', '|3', '13', '|}', '|8', '|B', '|8', 'ß', 'в', 'ь'],
"c": ['<', '{', '[', '(', '©', '¢'],
"d": ['|)', '|}', '|]', '|>'],
"e": ['3', '£', '₤', '€'],
"f": ['7', '|=', 'ph', '|#', '|"', 'ƒ'],
"g": ['9', '[', '[+', '6'],
"h": ['#', '|-|', '[-]', '{-}', '}-{', '}{', '|=|', '[=]', '/-/', ':-:', 'н'],
"i": ['1', '|', '!'],
"j": ['√', '_|', '_/', '_7', '_)', '_]', '_}'],
"k": ['|<', '1<', 'l<', '|{', 'l{'],
"l": ['|_', '|', '1', ']['],
"m": ['|/|', '^^', '/\\/\\', '/X\\', '[]/][', '[]V[]', ' ][\\//][', '(V)', '//., .\\', 'N\\', 'м'],
"n": ['||', '//', '/V', '][\\][', 'И', 'и', 'п'],
"o": ['0', '()', '[]', '{}', '<>', 'Ø', 'oh', 'Θ', 'ө'],
"p": ['|o', '|O', '|>', '|*', '|°', '|D', '/o', '[]D', '|7'],
"q": ['O_', '(,)', '0', 'kw'],
"r": ['|2', '12', '|^', 'l2', 'Я', '®'],
"s": ['5', '\$', '§'],
"t": ['7', '+', "'|'", '`|`', '~|~', '-|-', "']['", 'т'],
"v": ['V'],
"u": ['|_|', '\\_\\', '/_/', '\\_/', '(_)', '[_]', '{_}'],
"w": ['\\/\\/', '(/\\)', '\\^/', '|/|', '\\X/', 'VV', '\\_|_/', '\\//\\//', 'Ш', '2u', 'V/'],
"x": ['%', '*', '><', 'Ж'],
"y": ['¥', '|/', 'Ч'],
"z": ['5', '>_'],
};