ai te está difícil
ai te está difícil .
ai WORD_BOUNDARY t̪ ɯ WORD_BOUNDARY e s t̪ a WORD_BOUNDARY d̪ i f i s i l̪ˠ WORD_BOUNDARY
a i WORD_BOUNDARY t e WORD_BOUNDARY e s t á WORD_BOUNDARY d i f í c i l WORD_BOUNDARY . WORD_BOUNDARY