Several Metropolitan areas in Rio Grande do Sul (but in the rest of the state speakers might or might not use it in more formal speech), mostly near the border with Uruguay, have a slightly diverse pronunciation in some occasions (tu vieste becomes tu viesse), which happens to be also https://top-fully.com/profile.php?op=userinfo&name=Your_Account&action=view&userinfo=richard.coombs.451692&mod=space