un otona wa taihen da ne
un otona wa taihen da ne .
ɯ n WORD_BOUNDARY o t o n a WORD_BOUNDARY w a WORD_BOUNDARY t a i h e n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY
u n WORD_BOUNDARY o t o n a WORD_BOUNDARY w a WORD_BOUNDARY t a i h e n WORD_BOUNDARY d a WORD_BOUNDARY n e WORD_BOUNDARY