Appropriate is used have ‘ wood ' , by the side of word of ‘ month ' , because wood belongs to east, east is hare of the fourth of the twelve Earthly Branches, lunar hare, and the pig when end of the fourth of the twelve Earthly Branches of the last of the twelve Earthly Branches is 3 contracts falls in the tree, also can acquire brief have a rest. For example: Forest, dark, east, hazel, yu.

Appropriate uses the word by the word that has ‘ gold ' , because be like a pig to be water of ' of ‘ the last of the twelve Earthly Branches, gold can unboiled water, reason gold opposite is like the person of the pig to have the idea that the side supports. For example: Steel, inscription, acute, sharp edge, an ancient unit of weight.