mada naka ni wa iretenai
mada naka ni wa iretenai .
m a d a WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY w a WORD_BOUNDARY i r e t e n a i WORD_BOUNDARY
m a d a WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY w a WORD_BOUNDARY i r e t e n a i WORD_BOUNDARY