O is a letter of related and vertically oriented alphabets used to write Mongolic and Tungusic languages.
Mongolian language
LetterTransliterationAloneInitialMedialFinal LigaturesTransliterationAloneInitialMedialFinal Transcribes Chakhar ; Khalkha , , and . Transliterated into Cyrillic with the letter . Indistinguishable from , except where can be inferred from its context: is found in medial or final syllables if it's also found syllable-initially (and occasionally after a syllable-initial ). = the final form used in loanwords, as in ( ). = medial form used after the junction in a proper name compound. Derived from Old Uyghur waw (), preceded by an aleph () for isolate and initial forms. Produced with using the Windows Mongolian keyboard layout. In the Mongolian Unicode block, comes after and before .
Clear Script
Xibe language
Manchu language
Notes
References