ABCDEGHIJKMNOPRSTUWY O Oani Ochanghyugesoha Ochanghyugesosang Odŏk-sa Oech’ŏl-li Oedogok Oegongsu-dong Oeham Oeham-ni Oejŏ Oemang Oemap’o Oenam-dong Oeogol Oesongni-bogŏnso Oesongnimyŏn-samuso Oettanteo Ogeun-ri Ogeuni Ogung-ri Ogungbogeonso Ohaeng-ri Ojŏng-gol Okcheon Okcheonhyugeso Okcheonhyugesosang Okchŏn Okchŏn-gidowŏn Okch’ŏn-bogŏnso Okch’ŏn-godŭnghakkyo Okch’ŏn-gyŏngch’alsŏ Okch’ŏn-junghakkyo Okch’ŏnŭp-samuso Okch’ŏn’gun-bogŏnso Okho Okkil-tong Okpak-kol Oksan-ni Oksanhyugesoha Oksŏng Olmok Omokchŏm Omongnae Onam Ongdaengi Ongnŭk-ch’on Onnamu-gol Onyangteo Ori-gol Orim Orimok Orisil Oryong Oryong-dong Oryu Osa Osa-ri Osaeng-ri Osimi Osong-ni Osumul Oyang-gol Oŭn-sa Ŏ-ch’on Ŏkusu Ŏmjŏng-bogŏnso Ŏmjŏngmyŏn-samuso Ŏmsŭng-gol Ŏnae Ŏryong-sa Ŏsangch’ŏn Ŏsangch’ŏnmyŏn-samuso Ŏŭn-dong ABCDEGHIJKMNOPRSTUWY