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

critic) Nasal bilabial click Small caps Caron O,O′-Diacetyldopamine P&O O,O′-Dipivaloyldopamine O (disambiguation) O-methylated flavonoid O visa O Antiphons O A e o Z O-GlcNAc Douglas O-38 O class O-Acetylbufotenine O line O series Pui O Big O O lucenti, o sereni occhi O. Henry Award Tai O Ping-O-Tronic O Come, O Come, Emmanuel Big O notation Haplogroup O-M119 O-Pivalylbufotenine Yeshe-Ö O Tannenbaum Ó Paí, Ó O-ring O Tempo e o Vento Ó Roth

láin O (Cyrillic) P&O Cruises P&O Princess Cruises Flavanone 7-O-glucoside 2"-O-beta-L-rhamnosyltransferase Lycoming O-320 O. O. McIntyre Cho-Den-O series Triple-O Five Pointe O USS O-6 O Ta-ryŏn Lycoming O-360 Big O Tires O with tilde (Cyrillic) O schöner Mai! Laugh-O-Gram Studio Yi O Lycoming O-435 O with macron (Cyrillic) HNLMS O 24 O-Desmethylangolensin USS O-5 Cruise-O-Matic Maelbrighte Ó Hussey Bit-O-Honey