| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | buy last | 20 |
|
| 2 | bought [num ord] | 15 |
|
| 3 | buy second | 14 |
|
| 4 | buying [num ord] | 9 |
|
| 5 | bought [num ord] | 8 |
|
| 6 | buy first | 8 |
|
| 7 | buy [num ord] | 7 |
|
| 8 | buy next | 7 |
|
| 9 | buy [num ord] | 6 |
|
