勹: 勹 勺 勾 勻 匈 甸 匐 匍
訇 匃

句: 句 劬 鴝

包: 包 刨 炰

旬: 旬 郇

勿: 勿 匆 刎 忽

芻: 芻 鄒 皺 雛 鶵

Above characters begin with the 勹 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