| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | to cover all | 144 |
|
| 2 | covering all | 122 |
|
| 3 | covers all | 94 |
|
| 4 | cover all | 67 |
|
| 5 | cover all | 57 |
|
| 6 | covered all | 47 |
|
| 7 | covered all | 21 |
|
