独 U+072ec 独
Radical: 犭 (犬)
Decomposition: ⿰犭虫
Acjk: 独⿰犭.3虫6
Definition: alone, single, solitary, only
守 U+05b88 守
Radical: 宀
Decomposition: ⿱宀寸
Acjk: 守⿱宀.3寸3
Definition: defend, protect, guard, conserve
空 U+07a7a 空
Radical: 穴
Decomposition: ⿱穴工
Acjk: 空⿱穴.5工3
Definition: empty, hollow, bare, deserted