CYRILLIC SMALL LETTER NARROW O
<a href="//commons.wikimedia.org/wiki/User:Surprizi" title="User:Surprizi">Surprizi</a>
<a rel="nofollow" class="external text" href="http://unicode.org/charts/PDF/U1C80.pdf">Cyrillic Extended-C Range: 1C80–1C8F</a>