甬: 甬 恿 勇

予: 予 豫 預

矛: 矛 矜 蟊 柔

矞: 矞 鷸

敄: 敄 婺 騖 鶩 鍪 蝥 務

Above characters begin with the 龴 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