黑 黠 點 黯 黜 黮 黕 黝
黲 黔 黟 黷 默 黥 墨

Above characters begin with the 黑 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