ana no naka ni ireta no
ana no naka ni ireta no ?
a n a WORD_BOUNDARY n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY i r e t a WORD_BOUNDARY n o WORD_BOUNDARY
a n a WORD_BOUNDARY n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY i r e t a WORD_BOUNDARY n o WORD_BOUNDARY