 |
| air mail: 31 phrases in 12 subjects |
| Aviation | 1 |
| Commerce | 1 |
| Economy | 5 |
| Forestry | 1 |
| General | 1 |
| Librarianship | 1 |
| Makarov | 4 |
| Mass media | 3 |
| Military | 6 |
| Postal service | 3 |
| Pulp and paper industry | 2 |
| Technology | 3 |
|
| air mail: 31 phrases in 12 subjects |
| Aviation | 1 |
| Commerce | 1 |
| Economy | 5 |
| Forestry | 1 |
| General | 1 |
| Librarianship | 1 |
| Makarov | 4 |
| Mass media | 3 |
| Military | 6 |
| Postal service | 3 |
| Pulp and paper industry | 2 |
| Technology | 3 |