nan no hon katte kita no
nan no hon katte kita no ?
n a n WORD_BOUNDARY n o WORD_BOUNDARY h o n WORD_BOUNDARY k a t t e WORD_BOUNDARY k i t a WORD_BOUNDARY n o WORD_BOUNDARY
n a n WORD_BOUNDARY n o WORD_BOUNDARY h o n WORD_BOUNDARY k a t t e WORD_BOUNDARY k i t a WORD_BOUNDARY n o WORD_BOUNDARY