| 2026-07-28 | "Well, lah-di-___!" |
| 2026-04-15 | Bit of Morse code |
| 2025-11-09 | "Lah-di-___!" |
| 2024-10-10 | One of three in an SOS message |
| 2024-07-12 | "Well, lah-di-___!" |
| 2024-04-13 | T, in a code |
| 2024-02-20 | "Well, lah-di-___" |
| 2024-01-23 | Dit's counterpart in Morse code |
| 2023-02-09 | "Lah-di-___!" |
| 2023-01-10 | Morse code "morsel" |
| 2022-06-15 | Dit's counterpart |
| 2022-01-09 | Morse morsel |
| 2021-07-19 | "Zip-a-Dee-Doo-___" |
| 2020-10-03 | T as in telegraph? |
| 2020-04-29 | Morse code unit |
| 2019-08-11 | Dit's partner |
| 2019-07-11 | - |
| 2019-06-04 | The longer of the two Morse symbols |
| 2019-03-29 | Bit of code |
| 2019-02-21 | "Lah-di-___!" |
| 2018-08-25 | - |
| 2017-10-22 | Morse word |
| 2016-09-06 | "Well, lah-di-___!" |
| 2015-08-13 | Morse T |
| 2014-04-07 | "Zip-a-Dee-Doo- ___" |
| 2013-08-04 | T, by telegraph |
| 2013-08-02 | Code word |
| 2013-01-02 | Morse unit |
| 2011-07-10 | Morse T |
| 2009-12-22 | Morse T |
| 2008-06-25 | Dit's counterpart in Morse code |
| 2008-04-03 | Morse T |
| 2007-08-30 | One-third of a Morse "O" |
| 2007-02-25 | Code word |
| 2004-09-03 | Code word |
| 2004-08-29 | Doo-___ |
| 2004-03-06 | Code word |
| 2003-12-26 | Code word |
| 2003-08-13 | Morse bit |
| 2003-06-29 | Code word |
| 2002-05-14 | "Lah-di-___!" |
| 2001-04-27 | Morse T |
| 2001-04-08 | Code word |
| 2001-01-12 | Morse T |
| 2001-01-06 | Morse T |
| 2001-01-03 | "Well, lah-di-___" |
| 2000-12-10 | Morse bit |
| 2000-03-16 | Lah-di-___ |
| 2000-02-27 | "Doo" follower |
| 1999-02-13 | Code component |
| 1998-10-23 | Morse syllable |
| 1997-12-20 | Long keystroke |
| 1997-12-11 | Morse bit |
| 1997-08-10 | Dit's partner |
| 1997-05-24 | Code sound |
| 1996-12-20 | Morse dash |
| 1996-04-20 | T, to Morse |
| 1996-02-03 | Morse bit |
| 1995-05-14 | Morse T |
| 1994-06-24 | T, to Morse |
| 1994-05-03 | "Zip-a-Dee-Doo- _____" |