e subiu ó autobús
e subiu ó autobús .
e̞ WORD_BOUNDARY s u β j u WORD_BOUNDARY o̞ WORD_BOUNDARY a u t o̞ β u s WORD_BOUNDARY
e WORD_BOUNDARY s u b i u WORD_BOUNDARY ó WORD_BOUNDARY a u t o b ú s WORD_BOUNDARY . WORD_BOUNDARY