nan no happa da to omou
nan no happa da to omou ?
n a n WORD_BOUNDARY n o WORD_BOUNDARY h a p p a WORD_BOUNDARY d a WORD_BOUNDARY t o WORD_BOUNDARY o m o ɯ WORD_BOUNDARY
n a n WORD_BOUNDARY n o WORD_BOUNDARY h a p p a WORD_BOUNDARY d a WORD_BOUNDARY t o WORD_BOUNDARY o m o u WORD_BOUNDARY