| HSK | Not in HSK |
|---|---|
| FREQUENCY | Unknown |
| 中 zhōng | central; center, middle; in the midst of; hit (target); attain |
| 國 guó | nation, country, nation-state |
| 航 háng | sail; navigate; ship, boat |
| 空 kōng | empty, hollow, bare, deserted |
| 工 gōng | labor, work; worker, laborer |
| 業 yè | profession, business, trade |
| 公 gōng | fair, equitable; public; duke |
| 司 sī | take charge of, control, manage; officer |