O Unicode subscripts and superscripts Enclosed Alphanumeric Supplement Octonion Fraktur Ordinal indicator Enclosed Alphanumerics Ö Ɵ Õ Ǫ Open-mid back rounded vowel Ò Ó Ơ Oʻ Mid back rounded vowel O͘ Open O Ꝍ O' Breve Mid front rounded vowel Ø Ǫ́ Inverted breve Circumflex ⱺ Macron (diacritic) Bilabial click Double grave accent Dot (diacritic) Vietnamese alphabet International Phonetic Alphabet Double acute accent R-colored vowel Mid central vowel Nasal vowel Hook above Ogonek Livonian language Cedilla Finno-Ugric transcription Shift Out and Shift In characters Diethyl ether Scribal abbreviation Ring (diacritic) Nasal bilabial click Small caps Caron O,O′-Diacetyldopamine P&O O,O′-Dipivaloyldopa…

amine O-methylated flavonoid O (disambiguation) O visa O Antiphons O-GlcNAc O A e o Z Douglas O-38 O-Acetylbufotenine O line O class Pui O O series O. Henry Award O lucenti, o sereni occhi Big O Big O notation O Come, O Come, Emmanuel O (Cyrillic) Tai O Ping-O-Tronic O-Pivalylbufotenine Yeshe-Ö O-ring Haplogroup O-M119 O Tannenbaum Ó Paí, Ó O Tempo e o Vento P&O Cruises Ó Rothláin O-type star Flavanone 7-O-glucoside 2"-O-beta-L-rhamnosyltransferase Five Pointe O Yi O N-acetylneuraminate 7-

O(or 9-O)-acetyltransferase HNLMS O 24 Big O Tires O. O. McIntyre USS O-6 Cruise-O-Matic O Ta-ryŏn USS O-5 O with macron (Cyrillic) Bit-O-Honey Lycoming O-435 T and O map Laugh-O-Gram Studio O Tú o Ninguna Ó hAichir