ato kaeru mo narabu yo
ato kaeru mo narabu yo .
a t o WORD_BOUNDARY k a e r ɯ WORD_BOUNDARY m o WORD_BOUNDARY n a r a b ɯ WORD_BOUNDARY j o WORD_BOUNDARY
a t o WORD_BOUNDARY k a e r u WORD_BOUNDARY m o WORD_BOUNDARY n a r a b u WORD_BOUNDARY y o WORD_BOUNDARY