Nine-stroke characters: Rong, Xiang, Xing
, Yin, You, Luo, Long, Rao
Thirteen-stroke characters: Yun, Ling , Yu, Yu, Chu, Chu, Ci,
You can pair them up
For example:
Rong Yun, Xiang Ling, You Chu, Xing Ci, Luo Ci, Longchu