What is missing from the Five Elements at noon on the fifth day of the ninth lunar month in 1985?

Hello, at noon on the fifth day of the ninth month of the lunar calendar in 1985, the eight characters are: Yichou year, Bingxu month, Gengyin day, Renwu time. The five elements are gold, wood, water, fire and earth. There is no shortage of anything. The number of the five elements is , two wood, two earth, two fire, one gold, one water, the order of the five elements is, wood and earth, fire and earth, metal and wood, water and fire.