13 = stripes on the American flag.
13 Stripes is (on) the American Flag
I think you mean.... * What is 13 s in the u s f ... which would out as "13 Stripes in the United States Flag".
13 is Unlucky For Some
13 is unlucky number for some
13 stripes of the American flag
13 stripes on the United States flag
13 Stripes on the United States Flag
13 - Unlucky For Some
13 Stripes on the American Flag
13 Unlucky For Some (bingo call)
stripes in the United States flag
13 stripes on the American flag