ENSURED
| Date | Clue |
|---|---|
| 2024-05-14 | Made certain |
| 2021-11-16 | Guaranteed |
| 2019-05-13 | Made certain |
| 2014-04-13 | Double-checked, e.g. |
| 2009-05-14 | Made safe |
| 2008-04-12 | Sealed |
| 2003-08-07 | Guaranteed |
| 2002-01-09 | Guaranteed |
| 2001-12-08 | Guarded |
| 1999-05-06 | Left no doubt about |
| 1998-05-20 | Safeguarded |
| 1994-02-14 | Guaranteed |