eta amama irten+zen
eta amama irten zen .
e t̪ a WORD_BOUNDARY a m a m a WORD_BOUNDARY i ɾ t̪ e n WORD_BOUNDARY s̪̻ e n WORD_BOUNDARY
e t a WORD_BOUNDARY a m a m a WORD_BOUNDARY i r t e n WORD_BOUNDARY z e n WORD_BOUNDARY . WORD_BOUNDARY