nan tte itta to omou
nan tte itta to omou ?
n a n WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY t o WORD_BOUNDARY o m o ɯ WORD_BOUNDARY
n a n WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY t o WORD_BOUNDARY o m o u WORD_BOUNDARY