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