| 加密 | jiā mì | to encrypt; encryption; to protect with a password |
| 代 | dài | to substitute; to act on behalf of others; to replace; generation; dynasty; age; period; (historical) era; (geological) eon |
| 充 | chōng | to fill; to satisfy; to fulfill; to act in place of; substitute; sufficient; full |
| 免 | wèn | old variant of 絻[wen4] |
| miǎn | to excuse sb; to exempt; to remove or dismiss from office; to avoid; to avert; to escape; to be prohibited | |
| 用 | yòng | to use; to employ; to have to; to eat or drink; expense or outlay; usefulness; hence; therefore |