Historical clue formulations

• Prefix with lineal — 2018-11-19
• Mother: Prefix — 2016-08-07
• Prefix with lineal — 2006-07-08
• Prefix with linear — 2004-06-05
• Motherly start — 2002-09-22
• Prefix with lineal — 1995-01-21
• Prefix with lineal — 1994-09-24