A History of Short Words

From the New York Times Crossword Puzzle

AAH

Thu, 2 Dec '21
Contented sigh
Wed, 13 Oct '21
Something you might say at a doctor's office
Sat, 8 May '21
Satisfied sigh
Sun, 21 Feb '21
"That feels goo-oo-ood!"
Thu, 4 Feb '21
Spa sound