| HSK | Not in HSK |
|---|---|
| FREQUENCY | Unknown |
| 建 jiàn | build, establish, erect, found |
| 立 lì | stand; let stand; establish, set |
| 正 zhèng | right, proper, correct |
| 式 shì | style, system, formula, rule |
| 外 wài | out, outside, external; foreign |
| 交 jiāo | mix; intersect; exchange, communicate; deliver |
| 关 guān | frontier pass; close; relation |
| 系 xì | system; line, link, connection |