Da (Mongolic)
Da is a letter of related and vertically oriented alphabets used to write Mongolic and Tungusic languages. Mongolian language 

 Transcribes Chakhar ; Khalkha , and . Transliterated into Cyrillic with the letter . Syllable-initially indistinguishable from . When it must be distinguished from  medially, it can be written twice, and with both medial forms (as in   'well', compared with   'holy'). Alternatively, a dot is sometimes used to the right of the letter in 19th and 20th century manuscripts. The belly-tooth-shaped form is used before consonants (syllable-final), the other before vowels. Derived from Old Uyghur taw (; initial, belly-tooth-shaped medial, and final) and lamedh (; other medial form). Positional variants on lamedh  are used consistently for  in foreign words. (As in   /  ,   /  , or   /  ). 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 

Articles containing Mongolian script text
Mongolic letters
Mongolic languages
Tungusic languages