uma semana duas semanas
uma semana duas semanas .
u m æ WORD_BOUNDARY s e m ɐ̃ n æ WORD_BOUNDARY d u æ s WORD_BOUNDARY s e m ɐ̃ n æ s WORD_BOUNDARY
u m a WORD_BOUNDARY s e m a n a WORD_BOUNDARY d u a s WORD_BOUNDARY s e m a n a s WORD_BOUNDARY