naka wa wakaranai no yo
naka wa wakaranai no yo .
n a k a WORD_BOUNDARY w a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n o WORD_BOUNDARY j o WORD_BOUNDARY
n a k a WORD_BOUNDARY w a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n o WORD_BOUNDARY y o WORD_BOUNDARY