Eight characters: Geng Yin (Jin Mu) Gui Wei (water and soil) Ding Hai (fire, water and soil) Ding Wei (fire and soil) is weak in wood and gold, and should be restrained in the five elements.
Names should use radicals: mountain, wood, jade, moon, sign, bell, dragon, water and horse.
Taboos: Sun, stone, knife, bow, fire, field, mouth, blood, father and foot.
Example of name naming: Sui Xuan got 84 points.