| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | at six [noun] | 119 |
|
| 2 | at six [noun pl] | 108 |
|
| 3 | at six month | 41 |
|
| 4 | at six months | 39 |
|
| 5 | at six weeks | 23 |
|
| 6 | at six week | 23 |
|
| 7 | at six [noun sg] | 5 |
|
| 8 | at six hours | 5 |
|
| 9 | at six hour | 5 |
|
