estás a fazer a Bé
estás a fazer a bé .
e s t a z WORD_BOUNDARY ɐ WORD_BOUNDARY f ɐ z e ɹ WORD_BOUNDARY ɐ WORD_BOUNDARY b ɛ WORD_BOUNDARY
e s t á s WORD_BOUNDARY a WORD_BOUNDARY f a z e r WORD_BOUNDARY a WORD_BOUNDARY b é WORD_BOUNDARY