é um sinal de stop
é um sinal de stop .
ɛ WORD_BOUNDARY ũ ŋ WORD_BOUNDARY s i n ɑ l WORD_BOUNDARY d ɨ WORD_BOUNDARY s t ɔ p WORD_BOUNDARY
é WORD_BOUNDARY u m WORD_BOUNDARY s i n a l WORD_BOUNDARY d e WORD_BOUNDARY s t o p WORD_BOUNDARY