nani shi ni itta no
nani shi ni itta no ?
n a n i WORD_BOUNDARY ʃ i WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY
n a n i WORD_BOUNDARY s h i WORD_BOUNDARY n i WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY