Iotated ukIotated uk is an Iotated version of the archaic Cyrillic monograph Uk. It was mostly used between the late 1830s and 1850s as part of the unregulated transitional alphabets of Romanian Cyrillic.UsageIt was sometimes used in place of the cyrillic letter yu (Ю ю) in the Romanian cyrillic script.Computing codesThis letter has not yet been encoded in Unicode.