A Couple of metropolitan areas in Rio Grande do Sul (but in the remainder of the point out speakers may or may not utilize it in more official speech), mostly close to the border with Uruguay, have a rather unique pronunciation in certain cases (tu vieste turns into tu viesse), https://toppinvestors.com/profile.php?com=profile&user=audrey_swinburne-451692&op=userinfo&action=view&mod=space