SPARK
| Date | Clue |
|---|---|
| 2025-04-11 | Sign of romantic chemistry |
| 2024-10-23 | Energizing force |
| 2023-08-14 | Fire starter |
| 2017-10-23 | Fire starter |
| 2017-05-14 | Catalyst |
| 2011-12-30 | Little starter |
| 2011-08-08 | Start of a fire |
| 2007-03-20 | Fire starter |
| 2006-07-09 | Catalyst |
| 2005-04-11 | Fire starter |
| 2004-05-30 | Kindle |
| 2003-04-06 | Initiate |
| 2001-03-11 | It may light your fire |
| 1999-01-30 | Activate |
| 1998-10-26 | Fire's start |
| 1997-02-10 | Fire starter |
| 1996-10-08 | Explosion's cause |
| 1996-09-18 | Flash |
| 1995-04-28 | Plug outlet |
| 1994-04-24 | Sweethearts' electricity |
| 1994-03-27 | Bit of excitement |