A History of Short Words

From the New York Times Crossword Puzzle

Words of five or fewer letters since August 15, 2006

esta

Mon, 18 Dec '06
This, in Madrid
Wed, 6 Dec '06
"Cómo ____ usted?"
Tue, 7 Nov '06
"Cómo ____?"
Sun, 8 Oct '06
Spanish for "are"
Mon, 25 Sep '06
"Cómo ____?"