SSSS
| Date | Clue |
|---|---|
| 2012-08-09 | Flat sound |
| 2011-07-28 | Indication of deflation |
| 2008-10-02 | Flat sound |
| 2008-06-07 | Deflation indication |
| 2007-09-06 | Flat sound |
| 2006-10-20 | Deflation indicator |
| 2005-12-02 | Bacon sizzle |
| 2004-03-13 | Air hose sound |
| 2004-03-11 | Flat tire indicator |
| 2002-06-17 | Radiator sound |
| 2002-04-02 | Sound of a leak |
| 2000-12-24 | Sound of a leak |
| 2000-06-11 | Not a good sound for a balloonist |
| 1998-11-01 | Radiator sound |
| 1997-05-31 | Kettle sound |
| 1994-06-09 | Sound of a live wire |