疒

口: 痼 癌 疤 癇 瘍 痕 瘰 痹
疸 瘟 癖 癉

冂: 瘋 癮 痾 疫 疽

凵: 疝 疕 癡

𠄌: 痠 癰

乛: 痛 疿 瘳

厂: 瘤 瘦 瘐

丿: 痴 疙 癤 痢 疼 癥 疲 痿
疚 瘓 疾 瘊 瘵 痄 癬

丶: 疣 癟 痧 瘀 瘢 瘯 癠 痺
瘁 瘴

人: 瘡 瘩 疳 癒 瘠 癘 癆 疹
癢 疢 痰 疥 瘥 痤 痊 癱
痒

一: 痞 病 疔 瘃 症 痙 痘

丨: 痁 瘧 疵 痱

十: 痂 痣 瘸 痍 瘌 痔 瘨 癩
癲 瘈 療 瘞

Above characters begin with the 疒 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