DINGDONG
| Date | Clue |
|---|---|
| 2003-12-01 | Crackpot |
| 2003-05-17 | Knock alternative |
| 2002-07-12 | "Who is it?" prompter |
| 2001-04-21 | Announcement of a visitor |
| 1999-08-24 | Call from the front door |
| Date | Clue |
|---|---|
| 2003-12-01 | Crackpot |
| 2003-05-17 | Knock alternative |
| 2002-07-12 | "Who is it?" prompter |
| 2001-04-21 | Announcement of a visitor |
| 1999-08-24 | Call from the front door |