ACDHIKMNOPSTUWY O O-ch’on O-dong O-ri Obong-ni Odŏk-tong Oech’ang Oedong-ni Oegajang-dong Oeje-ri Oep’yŏng Oesa-ri Oesagi-dong Oesoch’ang Oesŏn Oesŏng-ni Oesŏnghyŏn Ogo-dong Ogyo-ri Ogyuri Ohang-ni Ojang-ni Ok-kol Ok-tong Okchŏn-dong Okch’ŏnch’am Okha Okkye-dong Okpi-dong Oksang-dong Oksang-gol Okto-ri Onchon Onch’ang-ni Onch’ŏn Onch’ŏn-yŏk Ong-dong Ong-ni Ongsŏng-dong Onhŭng-ni Onjŏng Onjŏng-dong Onsang-ni Onyang-ni Ori-dong Oribau Oryu-dong Oryugae Osagi Osal-li Osan-dong Osang-dong Osang-ni Osanha-ri Osanjung-ni Osansang-ni Osil-li Osong-gol Osongjŏng Osu-ri Ŏch’on Ŏdu-ri Ŏdun-gol Ŏgo-ri Ŏguch’am Ŏgyŏng-ni Ŏho-ri Ŏjung Ŏjung-ni Ŏmnamu-gol Ŏndam-gol Ŏndammal Ŏp’a-rodongjagu Ŏrimak-kol Ŏryong-ni Ŏsŏng-ni Ŏyŏng-dong Ŏŭn-dong ACDHIKMNOPSTUWY