Historical clue formulations

• Sap — 2022-05-07
• Use up — 2020-02-12
• Drain — 2011-07-08
• Exhaust — 2011-02-06
• Empty — 2004-02-28
• Exhaust — 2003-09-14
• Exhaust — 2003-03-02
• Empty — 1999-09-09
• Exhaust — 1998-04-12