| Clue | Source | Date |
|---|---|---|
| Penned up pig-style | Universal | 23 Jul 2018 |
| Penned up pig-style | ||
| Penned up sows | Universal | 11 Nov 2016 |
| Penned up, as sows | Universal | 10 Jun 2016 |
| Penned up the pigs | Universal | 24 Feb 2016 |
| Penned up, as sows | ||
| Penned up, like pigs | ||
| Penned in, like pigs | ||
| Penned up, as pigs | ||
| Penned up, like pigs | ||
| Penned up, like pigs (var.) | ||
| Penned up, as pigs |