A History of Short Words

From the New York Times Crossword Puzzle

HMM

Tue, 24 Dec '24
"Let me think ..."
Wed, 29 May '24
"Let me think about that …"
Fri, 28 Jan '22
"Let's see here ..."
Sat, 22 May '21
Utterance while chewing on a pencil
Tue, 23 Feb '21
"I dunno ..."
Fri, 29 Jan '21
What you might say after reading a tricky crossword clue