The db ligature, ø, 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 . ø was added to Unicode 4.1 in 2005, as U+0238 <small>LATIN SMALL LETTER DB DIGRAPH</small>. , only a handful of fonts can display the character. These include Charis SIL, Code2000, Doulos SIL, Ubuntu, and DejaVu fonts.