In primo piano 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 Ordine alfabetico O Omanze Onitsha-Agu Onoafor Oruku Osu Owo Obe Ogbosine Oliemba Oloafor Ozalla Obelagu-Obimo Leja Obimo Obukpa Okuje Okutu Olele Onome Owele Ozi-Edem Obolo-Eke Obule-Inyi Ogunta Ohali-Achi Oji River Settlement Ojinato Okposi Olo Opi Obolo-Eke (1) 1 2 3