Historical clue formulations

• Brief letters? — 2026-01-15
• Underwear initials — 2015-09-29
• Hanes competitor — 2014-08-31
• Hanes competitor — 2012-12-09
• Hanes alternative — 2011-05-03
• Underwear letters — 2006-05-04
• Brand of briefs — 2006-03-27
• Hanes competitor — 1999-03-31
• Letters found in underwear — 1998-10-25
• Boxers' letters? — 1997-12-23
• Brief letters? — 1995-02-21
• Underwear initials — 1995-01-03