1 # © 2016 and later: Unicode, Inc. and others.
2 # License & terms of use: http://www.unicode.org/copyright.html#License
8 # Transliteration from Russian into Japanese (Katakana).
9 $word_boundary = [-\ $];
10 $vowel = [аеийоуыьэюяёъ];
11 $not_vowel = [^$vowel];
18 $vowel { го } $word_boundary → во;