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 Altro Ordine alfabetico O Ōdōri Onne Ozora Ohmagari Onnenai Ōgi Okino Ōyata Ōdo Ogushi Ōiwa Ōiwamoto Ōkuwa Ōmura Oshigippa Ōtake Ōdo Ōya-hongō Ōno Ozaki Ōkawaotsu Ōtomachi-amaya Ōtomachi-ashinomaki Ōtomachi-kamimiyori Onnenai Ōkubochō-eigashima Ōkubochō-nishiwaki Ōkubochō-ōkubo Otsu Ochiai