Db ligature
The db ligature, ȸ, is a typographic ligature of Latin d and b, and is used in Africanist linguistics for the transcription of certain African languages to represent, for example in the Zulu sequence. ȸ was added to Unicode 4.1 in 2005, as U+0238 LATIN SMALL LETTER DB DIGRAPH., only a handful of fonts can display the character. These include Charis SIL, Code2000, Doulos SIL, Ubuntu, and DejaVu fonts.