Burkina Faso: noun: Burkinabe (singular and plural)

adjective: Burkinabe

Burma: noun: Burmese (singular and plural)

adjective: Burmese

Burundi: noun: Burundian(s)

adjective: Burundi

Cambodia: noun: Cambodian(s)

adjective: Cambodian

Cameroon: noun: Cameroonian(s)

adjective: Cameroonian