CDE
| Date | Clue |
|---|---|
| 2018-04-18 | Alphabet run |
| 2015-09-03 | String between B and F |
| 2015-05-31 | String after B |
| 2013-09-03 | Start of a musical scale |
| 2011-01-02 | Alphabet trio |
| 2009-08-09 | B train? |
| 2009-05-31 | Do, re, mi |
| 2008-05-11 | Alphabet trio |
| 2007-09-06 | Start of a musical scale |
| 2007-06-05 | Alphabetic trio |
| 2007-01-07 | Do, re, mi |
| 2007-01-05 | The third to the fifth? |
| 2005-10-30 | Alphabetic trio |
| 2005-05-08 | B train? |
| 2004-04-14 | Three after B |
| 2002-06-01 | Letter string |
| 2001-05-26 | Alphabetical run |
| 1999-10-30 | Alphabetical sequence |
| 1997-08-08 | Do, re, mi |
| 1997-06-09 | Alphabet trio |
| 1997-04-06 | Alphabetic sequence |
| 1996-12-06 | Alphabet trio |
| 1996-10-17 | Alphabet trio |
| 1994-12-27 | B followers |
| 1994-03-01 | B-F connection |
| 1994-02-09 | Three after B |