| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | are easily recognised | 12 |
|
| 2 | are easily removed | 8 |
|
| 3 | are easily seen | 6 |
|
| 4 | are easily understood | 6 |
|
| 5 | are easily damaged | 5 |
|
| 6 | are easily identified | 5 |
|
