dakara kyoo wa kaeranai no yo
dakara kyoo wa kaeranai no yo .
d a k a r a WORD_BOUNDARY kʲ oː WORD_BOUNDARY w a WORD_BOUNDARY k a e r a n a i WORD_BOUNDARY n o WORD_BOUNDARY j o WORD_BOUNDARY
d a k a r a WORD_BOUNDARY k y o o WORD_BOUNDARY w a WORD_BOUNDARY k a e r a n a i WORD_BOUNDARY n o WORD_BOUNDARY y o WORD_BOUNDARY