You can start with: Ma Zikun, Ma Zitai, Ma Ziqian, Ma Ziyu, Ma Zilin, Ma Ziguan, Ma Ziheng, Ma Zijin, Ma Ziyi, Ma Zisheng, Ma Ziding, Ma Zizhen, Ma Zifeng, using hexagram names.
Ma Ziyuan, Ma Zizhen, Ma Zizhen, Ma Zizhen, Ma Ziguo, Ma Zijia, Ma Ziqiang, Ma Zishun, Ma Zide, Ma Zimin, Ma Ziyong, Ma Zikui, Ma Ziyue (Tiankui, Tianyue, Tianyi Guiren), Ma Zirui, Ma Zihui, Ma Zizhe , Ma Zijun.