A History of Short Words

From the New York Times Crossword Puzzle

OHHI

Sun, 9 Jul '23
"Huh, fancy seeing you here!"
Mon, 19 Jun '23
"Huh, didn't see you there!"
Fri, 14 Apr '23
"Huh, didn't expect to see you here"
Sun, 26 Feb '23
"Huh, didn't expect to run into you here!"
Mon, 6 Feb '23
"Fancy seeing you here!"
Sun, 10 Jul '22
Tepid greeting