ACDHIKMNOPSTUWY O Obong Obong-ni Odongp’o Oe-dong Oedaebong-ni Oedari-gol Oegangol-li Oegoŭm-ni Oehak Oehang-ni Oehwahyŏn Oemasan-dong Oep’yŏng-ni Oeryŏngdae Oesanghyŏn Oesil-li Oesodae Oesŏkkyo-ri Oeun Oewŏl-li Oewŏnji Oeyŏnha-dong Ogong-ni Ogye-ri Ohwa-dong Ohyŏl-li Ojangsan-gol Okchŏng-ni Okho-ri Okpyong ni Okp’yŏng-yŏk Oksuhyŏn Ok’pyŏng-dong Omae-ri Omanmulsang Omoksu Omong-ni Onch’ŏl-li Onch’ŏn-dong Ong-ni Onggaji Onggijŏm Onggoji Ongjup’o Ongjŏm Ongjŏm-ni Ongma-ri Ongnyu-dong Onjŏng-ni Onjŏng-yŏk Onjŏngdong-ni Orang-ni Ori-dong Oribŏl Origaemal Orijin Oryong-dong Oryu-gol Oryumal Osal-li Osarang-dong Osu-dong Ot’an-dong Oyang-ni Ŏch’ŏng-dong Ŏdŭk-tong Ŏgu-dong Ŏhang-ni Ŏho-ri Ŏjŏl-li Ŏjŏn-dong Ŏmdal Ŏmgogae Ŏmul-li Ŏnch’on Ŏryongp’o Ŏryu-ri Ŏul-li Ŏusil Ŏyu-ri Ŏŭn’gumi-ri ACDHIKMNOPSTUWY