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Timofey Timofeyevich Khryukin ( ; , Yeysk 19 July 1953 , Moscow ) was a Soviet aviator , Spanish Civil War volunteer , and colonel-general of the Soviet Air Force .
 Timofey, Khryukin, Yeysk, Moscow, Soviet, Soviet Air Force
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Timofey, Khryukin, Yeysk, Moscow, Soviet, Soviet Air Force