nani ga atta no kana
nani ga atta no kana ?
n a n i WORD_BOUNDARY g a WORD_BOUNDARY a t t a WORD_BOUNDARY n o WORD_BOUNDARY k a n a WORD_BOUNDARY
n a n i WORD_BOUNDARY g a WORD_BOUNDARY a t t a WORD_BOUNDARY n o WORD_BOUNDARY k a n a WORD_BOUNDARY