| encode | |
| avia. | 译码 |
| CNC | 代码化 |
| hydroel.st. | 编码 |
| interntl.trade. | 密码; 译碍 |
| life.sc. | 把 译成电码 |
| multimed. | 加密 |
| encoding | |
| gen. | 编 码 |
| AI. | 登录 |
| work.fl. | 译码 |
|
Huffman : 25 phrases in 9 subjects |
| Air defense | 1 |
| Artificial intelligence | 3 |
| Business | 1 |
| Computers | 1 |
| Electronics | 4 |
| Information technology | 5 |
| Multimedia | 2 |
| Space | 3 |
| Telecommunications | 5 |