反 U+053cd 反
Radical: 又
Decomposition: ⿱⺁又
Acjk: 反⿱⺁2又.2
Definition: reverse, opposite, contrary, anti
常 U+05e38 常
Radical: 巾
Decomposition: ⿳⺌冖吊
Acjk: 常⿳⺌3冖2吊⿱口3巾.3
Definition: common, normal, frequent, regular
规 U+089c4 规
Radical: 见 (見)
Decomposition: ⿰夫见
Acjk: 规⿰夫4见.4
Definition: rules, regulations, customs, law