What words can't appear in a name?

凕凕凕, 凕 凕 n, 凕 凕 凕 n, 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 凕 Y? n, ? y? n, ? y? n, ? y? n, ? y? n, ? y? n, ? y? n, ? y? n, ? y? n, ? y? n, Yin y? n, Yin y? ? ? ? Zhiì, ì yǐn, ì y?n, ?s?, ?y ǐ n, ?y ǐ n, ?y ǐ n, ?y ǐ, ?y n, ?y.