八: 八 兌 兮

公: 公 頌 翁 瓮

分: 分 邠 攽 頒 岔 坌 忿 盆
貧

父: 父 斧 爸 爺 爹 釜

Above characters begin with the 八 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