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permutations : 66 phrases in 21 subjects |
| Automobiles | 1 |
| Aviation | 1 |
| Cables and cable production | 2 |
| Chemistry | 3 |
| Communications | 3 |
| Computers | 2 |
| Electronics | 1 |
| Finances | 1 |
| General | 9 |
| Government, administration and public services | 1 |
| Information technology | 8 |
| Materials science | 1 |
| Mathematics | 10 |
| Mechanic engineering | 1 |
| Medical | 1 |
| Nuclear physics | 2 |
| Power lines | 1 |
| Statistics | 11 |
| Technology | 3 |
| Telecommunications | 2 |
| Transport | 2 |