A History of Short Words

From the New York Times Crossword Puzzle

Words of five or fewer letters since August 15, 2006

baa

Sun, 17 Dec '06
Ewe said it
Wed, 6 Dec '06
Sound during shearing
Fri, 1 Dec '06
Word repeated in "The Whiffenpoof Song"
Mon, 6 Nov '06
Word repeated before "black sheep, have you any wool?"
Fri, 25 Aug '06
Something heard in a herd