dare ga shita no ka wakaranai
dare ga shita no ka wakaranai .
d a r e WORD_BOUNDARY g a WORD_BOUNDARY ʃ i t a WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY
d a r e WORD_BOUNDARY g a WORD_BOUNDARY s h i t a WORD_BOUNDARY n o WORD_BOUNDARY k a WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY