First, the Book of Changes: according to the date of birth, calculate the favorite gods (that is, what to add) and choose the words that match the favorite gods. In addition to fixed personality, personality, geography, external personality, overall personality and three talents should be auspicious.
The second "meaning of nomenclature": the explanation of the names of words should be auspicious, at least not fierce.
The third "word meaning": the word meaning should be auspicious, at least not fierce.
I know more about the space day system.