HEPTA
| Date | Clue |
|---|---|
| 2021-10-03 | Seven: Prefix |
| 2015-05-17 | Seven: Prefix |
| 2011-06-26 | Seven: Prefix |
| 1997-11-16 | Seven: Prefix |
| 1995-09-13 | Seven: Prefix |
| 1994-04-10 | Seven, in compounds |
| Date | Clue |
|---|---|
| 2021-10-03 | Seven: Prefix |
| 2015-05-17 | Seven: Prefix |
| 2011-06-26 | Seven: Prefix |
| 1997-11-16 | Seven: Prefix |
| 1995-09-13 | Seven: Prefix |
| 1994-04-10 | Seven, in compounds |