nan tte kaku n da ne
nan tte kaku n da ne ?
n a n WORD_BOUNDARY t t e WORD_BOUNDARY k a k ɯ WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY
n a n WORD_BOUNDARY t t e WORD_BOUNDARY k a k u WORD_BOUNDARY n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY