An analysis of Zhou's eight characters

Zhou Zijun Zhou Zibing Zhou Zixing Zhou Ziji Zhou Zifeng Zhou Ziqun Zhou Zijin Zhou Chou Tzuyu Zhou Zizhao Zhou Zixiao Zhou Zibing Zhou Zigong Zhou Zicheng Zhou Ziduo Zhou Zirui Zhou Ziyi Zhou Ziyan Zhou Zihui Zhou Zilin Zhou Zi Zheng Zhou Ziyi Zhou Zixuan Zhou Zizhao Zhou Zishuang Zhou Zibin Zhou Zikuo Zhou Zijie Zhou Zikang Zhou Ziying Zhou Ziqiang Zhou Zilei Zhou Zile Zhou Ziyao Zhou Ziyong

Girl:

Zhou Zihao Zhou Zihong, Zhou Xinzi, Zhou Ziqian, Zhou Ziren, Zhou Zihui, Zhou Ziran, Zhou Zidan, Zhou Zihong, Zhou Ziping, Zhou Ziyi, Zhou Zibin, Zhou Ziying, Zhou Zilan, Zhou Zifang, Zhou Ziyan, Zhou Ziye, Zhou Ziling, Zhou Ziye, Zhou Ziwei, Zhou Ziping. Zhou Zitong Zhou Zibin Zhou Ziqiong Zhou Ziyan Zhou Ziya Zhou Ziqing Zhou Zijie Zhou Zi visited Zhou Ziyue Zhou Zixi Zhou Ziting Zhou Zichang Zhou Zipei?