wanwan tabe ni iku no
wanwan tabe ni iku no ?
w a n w a n WORD_BOUNDARY t a b e WORD_BOUNDARY n i WORD_BOUNDARY i k ɯ WORD_BOUNDARY n o WORD_BOUNDARY
w a n w a n WORD_BOUNDARY t a b e WORD_BOUNDARY n i WORD_BOUNDARY i k u WORD_BOUNDARY n o WORD_BOUNDARY