ippai aru kara wakaranai ne
ippai aru kara wakaranai ne .
i p p a i WORD_BOUNDARY a r ɯ WORD_BOUNDARY k a r a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n e WORD_BOUNDARY
i p p a i WORD_BOUNDARY a r u WORD_BOUNDARY k a r a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY n e WORD_BOUNDARY