| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | after a few hour | 18 |
|
| 2 | after [art] few hour | 18 |
|
| 3 | after a few hour | 18 |
|
| 4 | after [art] few hour | 18 |
|
| 5 | after [art] few hours | 18 |
|
