| HSK | Not in HSK |
|---|---|
| FREQUENCY | Unknown |
| 不 bù | no, not; un-; negative prefix |
| 是 shì | indeed, yes, right; to be; demonstrative pronoun, this, that |
| 一 yī | one; a, an; alone |
| 家 jiā | house, home, residence; family |
| 人 rén | man; people; mankind; someone else |
| 不 bù | no, not; un-; negative prefix |
| 进 jìn | advance, make progress, enter |
| 一 yī | one; a, an; alone |
| 家 jiā | house, home, residence; family |
| 门 mén | gate, door, entrance, opening |