 |
| |||
| C<; Csub3subHsub3subNsub3subOsub3sub | |||
| 3<; /sub>; H<; N<; O<; sub> | |||
| C: 28 phrases in 11 subjects |
| Abbreviation | 13 |
| American stock exchange | 2 |
| Energy industry | 1 |
| General | 1 |
| Medical | 1 |
| Military | 2 |
| NASDAQ | 1 |
| New York Stock Exchange | 1 |
| Physiology | 1 |
| Rail transport | 3 |
| Trademark | 2 |