nani ga nai tte itta no
nani ga nai tte itta no ?
n a n i WORD_BOUNDARY g a WORD_BOUNDARY n a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY
n a n i WORD_BOUNDARY g a WORD_BOUNDARY n a i WORD_BOUNDARY t t e WORD_BOUNDARY i t t a WORD_BOUNDARY n o WORD_BOUNDARY