A History of Short Words

From the New York Times Crossword Puzzle

OHHI

Sat, 4 Jan '25
Hesitant response to "Is that you?"
Wed, 27 Nov '24
"Fancy meeting you here!"
Sun, 24 Nov '24
"Didn't see ya there!"
Fri, 26 Jul '24
"I didn't see you there!"
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