kono naka ni irete tte
kono naka ni irete tte .
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY i r e t e WORD_BOUNDARY t t e WORD_BOUNDARY
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY i r e t e WORD_BOUNDARY t t e WORD_BOUNDARY