aqui esta aqui no esta
aqui esta aqui no esta .
a k w i WORD_BOUNDARY ɛ s t ɐ WORD_BOUNDARY a k w i WORD_BOUNDARY n o WORD_BOUNDARY ɛ s t ɐ WORD_BOUNDARY
a q u i WORD_BOUNDARY e s t a WORD_BOUNDARY a q u i WORD_BOUNDARY n o WORD_BOUNDARY e s t a WORD_BOUNDARY