Historical clue formulations

• Prefix with functional — 2022-07-18
• Faulty: Prefix — 2022-04-02
• Prefix with function — 2021-09-27
• Prefix akin to mal- — 2020-11-29
• Start to function? — 2018-02-07
• Bad start? — 2017-04-02
• Start to function? — 2016-03-12
• Prefix with peptic — 2013-11-09
• Prefix with functional — 2012-08-20
• Prefix with functional — 2012-03-07
• Faulty: Prefix — 2012-02-02
• Bad: Prefix — 2011-02-06
• Bad: Prefix — 2008-05-19
• Bad: Prefix — 2006-09-29
• Prefix with peptic — 2005-04-08
• Bad: Prefix — 2003-05-07
• Prefix with function — 2002-04-21
• Prefix with function — 2001-12-16
• Bad from the start? — 2000-01-30
• Prefix that's the opposite of eu- — 1998-08-01
• Bad start? — 1998-05-29
• Bad: Prefix — 1997-07-05
• Prefix with functional — 1996-08-28
• Bad: Prefix — 1995-12-03
• Functional prefix — 1994-10-29