\`{o}produces a grave accent,ò
\'{o}produces an acute accent,ó
\^{o}produces a circumflex,ô
\"{o}produces an umlaut or dieresis,ö
\H{o}produces a long Hungarian umlaut,ő
\~{o}produces a tilde,õ
\c{c}produces a cedilla,ç
\={o}produces a macron accent (a bar over the letter)ō
\b{o}produces a bar under the letter
\.{z}produces a dot over the letter,ż
\d{o}produces a dot under the letter
\u{a}produces a breve over the letter,ă
\v{c}produces a "v" (hook, hacek) over the letter,č
\t{oo}produces a "tie" (inverted u) over the two letters
\r{u}produces a ring over the letterů