BASIS
| Date | Clue |
|---|---|
| 2026-06-29 | On a need-to-know ____ |
| 2026-06-08 | Underpinning |
| 2023-11-10 | Footing |
| 2023-02-02 | Foundation |
| 2022-08-12 | Grounds |
| 2019-11-11 | Foundation |
| 2016-09-25 | Underpinning |
| 2016-02-28 | Rationale |
| 2007-09-05 | Groundwork |
| 2007-01-26 | Bottom |
| 2006-05-09 | Foundation |
| 2006-03-28 | Underlying principle |
| 2005-08-31 | Amount from which to figure sale profit |
| 2005-02-21 | Foundation |
| 2004-06-08 | Groundwork |
| 2003-09-30 | Foundation |
| 2000-11-24 | Foundation |
| 2000-10-16 | Groundwork |
| 1998-05-10 | Groundwork |
| 1997-02-11 | Foundation |
| 1995-05-22 | Foundation |
| 1994-03-07 | Grounds |