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 Ogwugwu Ohoba Ohozotto Opete Ose-Acheke Ose-Mmahu Oseogwugwu Oseokishikpa Ogeh Ogele Obibi Ogbelulu Okporo Orodo Oteru Otulu Owerri Obeke Olakwo Oratta Orji Owala Owelu Obesema Obinze Obogwe Oboku-Avu Obosima Obuogwu Oforola 1 2 3 4