The five elements of the name should be analyzed in detail to determine the likes and dislikes of the eight characters. As for which words can be used and which words can't be used, we need to analyze the information such as eight characters and Universiade before we can finally determine.
According to the time of birth you gave.
These eight words are: Ren Chen Ji Youji Hai Jiazi.
The five elements are: water, earth, gold, earth, water, wood and water.
The eight characters and five elements are short of fire. Fire is a horoscope, which can be added to the name.
The name should be a word with the attributes of fire, soil and five elements. Don't use words with the attributes of gold, water and wood.
Judging from the five elements of Chinese characters, the word Xu belongs to wood, which is a taboo of eight characters and should not be used.