This article is about the West African language. For the variety of Dogon sometimes known as Bomu Tegu, see Toro so.The Bo language of West Africa, Bomu (Boomu), also identified as Western Bobo Wule, is a Gur language of Burkina Faso and Mali.Bomu is spoken by two groups of Bwa people, the Red Bobo, Bobo Wule (also spelled Bobo Oule), and the White Bobo, Bobo Gbe, also known as Kyan (also spelled Kian, Tian, Tyan, Can, Chan) or Tyanse.