kawa ni kakatte iru ne
kawa ni kakatte iru ne .
k a w a WORD_BOUNDARY n i WORD_BOUNDARY k a k a t t e WORD_BOUNDARY i r ɯ WORD_BOUNDARY n e WORD_BOUNDARY
k a w a WORD_BOUNDARY n i WORD_BOUNDARY k a k a t t e WORD_BOUNDARY i r u WORD_BOUNDARY n e WORD_BOUNDARY