忄

口: 悒 怩 慨 愣 惕 愓 愕 惻
恨 憫 慢 慣 憬 悃 懆 怛
慍 悜 惺 懼 悝 悍 懌 憚

冂: 忱 惆 惘 恫 惲

凵: 惴 愷

𠄌: 怡 慘 悛

乛: 忉 怫 慅 忸 怪

厂: 慪 惱 惼 悵 懫 懨 愜 忻
慳

丿: 恬 憺 恪 惚 慟 恂 悔 悸
憔 憮 愎 愀 愾 怍 性 惟
忏 忤 懈

丶: 慥 惦 愔 怕 忙 惋 愧 憾
憶 怭 慵 惇 忭 懷 慷 懊
悰 怵 懍 愃 恤 惶 憧 悴

人: 愴 恰 憎 惜 懵 慌 悅 恍
悄 惝 悌 愉 忪 懺 惔 慊
慬 懂 憐

一: 悟 憯 愊 懦 怲 懮 慄 恆
恒 怔 怦 懾

丨: 怞 憒 怏 忡 悱 悼

十: 怙 情 惰 忖 恃 懤 悖 怯
忮 悽 慎 懶 憤 恢 快 憭
愫 惏 悚 慚 怖 悻

Above characters begin with the 忄 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