| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | officer [unc] training | 9 |
|
| 2 | officer ['s] training | 9 |
|
| 3 | officer ' training | 6 |
|
| 4 | officers [unc] training | 6 |
|
| 5 | officer ' training | 6 |
|
