nan tteyuu no wakaranai
nan tteyuu no wakaranai .
n a n WORD_BOUNDARY t t e j ɯː WORD_BOUNDARY n o WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY
n a n WORD_BOUNDARY t t e y u u WORD_BOUNDARY n o WORD_BOUNDARY w a k a r a n a i WORD_BOUNDARY