| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | a series | 22 |
|
| 2 | v series | 11 |
|
| 3 | r series | 11 |
|
| 4 | s series | 6 |
|
| 5 | c series | 5 |
|
| 6 | k series | 5 |
|
