CHIS
| Date | Clue |
|---|---|
| 2025-10-26 | X's, to Aphrodite |
| 2023-12-24 | XXX |
| 2020-07-25 | XXX |
| 2017-08-20 | XXX |
| 2013-12-25 | X X X |
| 2010-09-26 | XXX |
| 2005-03-25 | Parts of some chapter names |
| 2003-11-21 | X's |
| 2003-07-20 | XXX |
| 2003-06-27 | XXX abroad |
| 2003-01-20 | X's, in Greece |
| 2001-02-22 | XXX |
| 2000-08-04 | Sigma ___ (fraternity men) |
| 1998-08-16 | XXX, in a way |
| 1998-07-19 | Psis' predecessors |
| 1997-11-01 | X's |