| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | only about 30 per | 6 |
|
| 2 | only about 30 [unc] | 6 |
|
| 3 | only about 30 [no cls] | 6 |
|
| 4 | only about 30 per | 6 |
|
