ETHS
| Date | Clue |
|---|---|
| 2012-03-30 | Old English letters |
| 2012-03-04 | Biblical verb endings |
| 2011-08-06 | Biblical endings |
| 2010-12-02 | Old English letters |
| 2006-04-17 | Ordinal endings |
| 2005-01-20 | Letters in Icelandic |
| 2002-05-21 | Old English letters |
| 2001-11-18 | Biblical word endings |