王x王, 辛x辛 = BAN
斑马, Bānmǎ, Zebra, 加班, jiābān, work overtime 班 bān Class 瓣 bàn Flap 辧 biàn Be in trouble 辦 bàn Do 辨 biàn Distinguish 辩 biàn Argue 辬 bān To make a living
My pinyinizer recognized these all as BAN. They are all 1st or 4th tone.