HCH
| Date | Clue |
|---|---|
| 2002-02-03 | Methylene group, chemically |
| 1998-06-13 | White House monogram |
| 1997-08-13 | F.D.R.'s predecessor |
| 1996-04-09 | F.D.R.'s predecessor |
| 1996-03-22 | Methylene group, chemically |
| Date | Clue |
|---|---|
| 2002-02-03 | Methylene group, chemically |
| 1998-06-13 | White House monogram |
| 1997-08-13 | F.D.R.'s predecessor |
| 1996-04-09 | F.D.R.'s predecessor |
| 1996-03-22 | Methylene group, chemically |