monoalphabetic
| substitution
| monoalphabetic | |
| math. | моноалфавитный |
| |||
| моноалфавитный | |||
|
monoalphabetic : 10 phrases in 3 subjects |
| Electronics | 2 |
| Information security and data protection | 5 |
| Security systems | 3 |
| monoalphabetic | |
| math. | моноалфавитный |
| |||
| моноалфавитный | |||
|
monoalphabetic : 10 phrases in 3 subjects |
| Electronics | 2 |
| Information security and data protection | 5 |
| Security systems | 3 |