馬

口: 駟 駽 驏 騾 騍 驛 驆

冂: 颿

𠄌: 駘 驂 駿 騃

乛: 騷 馭

厂: 驅 騮 騙 騸

丿: 駱 驕 駒 駙 馴 騅

丶: 駝 驄 駜 驤 駮 駭 駐

人: 騏 驗 騲 驊 駢

一: 驪 驟 驃 駓 驔

丨: 騁 駛 驥 驢

十: 馳 驍 騎 駁 馱

𠃌: 驫

Above characters begin with the 馬 shape.

Large groups of characters are subsorted first via second element using:
囗⺆凵𠄌
乛厂丿丶
八一丨十
Then via trailing element using:
口山乚
⺆𠃌亅
丿丶㇏乂八小
丨一土十