FEIN
4 letters
Historical clue formulations
- Ireland's Sinn ___ — 2017-06-27
- Sinn ___ — 2007-11-08
- Ireland's Sinn ___ — 2005-06-20
- Sinn ___ — 2004-07-01
- Sinn ___ (Irish organization) — 2002-09-02
- Sinn ___ — 2000-03-08
- Sinn ___ — 1999-03-21
- Sinn ___ — 1998-05-17
- Sinn ___ — 1998-02-05
- Sinn ___ — 1997-09-21