Portuguese:
\'a,\'e,\'o,\'u,\'y
\`a,\`e,\`o,\`u,\`y
\~a,\~e,\~o,\~u,\~y
\^a,\^e,\^o,\^u,\^y
\"a,\"e,\"o,\"u,\"y
\c{c}, \c{C}