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 Ōno Ōda Ono Ōta Ōyama Ōzu Ōami Ōarai Obama Obanazawa Obihiro Obita Ōbu Ōdate Odawara Ōfunato Ōgaki Ogawa Ogōri Ōhara Ōi Ōiso Ōita Ojiya Ōkawa Ōkawara Okaya Okayama Okazaki Okegawa 1 2
