| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [noun] and a [noun] | 18347 |
|
| 2 | [noun] system and [noun] | 340 |
|
| 3 | [noun] system and a | 49 |
|
| 4 | system and a [noun] | 43 |
|
| 5 | [noun] system a [noun] | 11 |
|
