kono naka ni wa nottenai
kono naka ni wa nottenai .
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY w a WORD_BOUNDARY n o t t e n a i WORD_BOUNDARY
k o n o WORD_BOUNDARY n a k a WORD_BOUNDARY n i WORD_BOUNDARY w a WORD_BOUNDARY n o t t e n a i WORD_BOUNDARY