kono naka nani haitten no
kono naka nani haitten no ?
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n a n i WORD_BOUNDARY h a i t t e n WORD_BOUNDARY n o WORD_BOUNDARY
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n a n i WORD_BOUNDARY h a i t t e n WORD_BOUNDARY n o WORD_BOUNDARY