| Answer | Crossword Clue |
|---|---|
| QED | Ending letters |
| QED | Proof-ending letters |
| TGIF | Week-ending letters |
| ETC | List-ending letters |
| QED | Argument-ending letters |
| EDU | URL-ending letters |
| ETAL | List-ending letters |
| TKO | Bout-ending letters |
| TKO | Fight-ending letters |
| ZEDS | Ending letters, in Leeds |
| PPS | Letters ending some letters |
| QED | Math proof-ending letters |
| LLC | Letters ending a business name |
| EXE | Letters ending a PC code file name |
