makkakkakka ni natta kara
makkakkakka ni natta kara ?
m a k k a k k a k k a WORD_BOUNDARY n i WORD_BOUNDARY n a t t a WORD_BOUNDARY k a r a WORD_BOUNDARY
m a k k a k k a k k a WORD_BOUNDARY n i WORD_BOUNDARY n a t t a WORD_BOUNDARY k a r a WORD_BOUNDARY