NIXIE
| Date | Clue |
|---|---|
| 2023-04-22 | Dead letter, in a mail sorter's vernacular |
| 2003-08-24 | Water sprite |
| 1996-12-01 | Undeliverable piece of mail |
| 1995-02-25 | Dead letter, in post office talk |
| 1994-02-15 | Undeliverable letter, in post-office talk |
| Date | Clue |
|---|---|
| 2023-04-22 | Dead letter, in a mail sorter's vernacular |
| 2003-08-24 | Water sprite |
| 1996-12-01 | Undeliverable piece of mail |
| 1995-02-25 | Dead letter, in post office talk |
| 1994-02-15 | Undeliverable letter, in post-office talk |