Answer: ude

AnswerCrossword Clue
UDEUlan ... (Buryat republic's capital)
UDEQuiet ending
UDEUlan ..., U.S.S.R. city
UDEUlan ..., city in Russia
UDEUlan-..., Soviet city
UDEUlan ..., Russian city
UDEEnding with quiet
UDEQuiet end?
UDEUlan-..., Russia
UDEUlan-... (Siberian capital)
UDEUlan-... (city in Siberia)
UDEUlan-... (capital of a Russian republic)
UDEQuiet ending?