| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | 20 [unc] [no cls] | 1422 |
|
| 2 | on [unc] [no cls] | 106 |
|
| 3 | on 20 [no cls] | 5 |
|
| 4 | on 20 [unc] | 5 |
|
