MSGS
4 letters
Historical clue formulations
- Texts, e.g.: Abbr. — 2014-09-01
- Txts, e.g. — 2014-02-26
- Texts, e.g.: Abbr. — 2014-01-25
- E-mail, e.g.: Abbr. — 2013-02-22
- In-box fill: Abbr. — 2009-06-02
- BlackBerry output: Abbr. — 2008-08-07
- E-mail: Abbr. — 2003-01-19
- E-mail: Abbr. — 1999-05-12
- E-mail: Abbr. — 1998-04-25