The block you're looking at contains supplementary symbols for the language of Lisu people. However, the only letter currently coded is designed for writing Nasi, which is spoken by Nasi people living in the south of China, Yunnan.

рдЧреБрдгрдзрд░реНрдо

рд░реЗрдВрдЬ 11FB0–11FBF
рд╡рд░реНрдгрдорд╛рд▓рд╛ 16

рд╡рд░реНрдгреЛрдВ рдХреА рд╕реВрдЪреА

рд╡рд░реНрдг рд╕реВрдЪреА

рдХреЙрдкреА рдХрд┐рдпрд╛ рдЧрдпрд╛!