a mãe está a fazer
a mãe está a fazer .
ɐ WORD_BOUNDARY m ɐ̃ j WORD_BOUNDARY e s t a WORD_BOUNDARY ɐ WORD_BOUNDARY f ɐ z e ɹ WORD_BOUNDARY
a WORD_BOUNDARY m ã e WORD_BOUNDARY e s t á WORD_BOUNDARY a WORD_BOUNDARY f a z e r WORD_BOUNDARY