POPO
| Date | Clue |
|---|---|
| 2026-08-04 | Cops, in slang |
| 2025-12-22 | Cops, slangily |
| 2025-06-29 | Fuzz |
| 2025-03-07 | Mother's mother, in Cantonese |
| 2023-04-26 | Cops, in slang |
| 2023-03-24 | Fuzz |
| 2022-10-25 | The fuzz |
| 2021-10-25 | Law officers, in slang |
| 2021-07-11 | Law enforcement, slangily |
| 2020-08-07 | Coppers |
| 2020-07-22 | Cops, in slang |
| 2020-02-11 | Cops, slangily |
| 2018-10-19 | Law enforcers, in slang |
| 2017-12-08 | Law force, slangily |
| 2014-12-06 | Law enforcers, slangily |
| 2014-07-11 | Cops, in slang |