é um sinal de stop
é um sinal de stop .
ɛ WORD_BOUNDARY ũ WORD_BOUNDARY s i n̪ a l̪ˠ WORD_BOUNDARY d̪ ɯ WORD_BOUNDARY s t̪ 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 . WORD_BOUNDARY