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 = stripes on the American flag.
13 is unlucky number for some
13 stripes of the American flag
13 is Unlucky For Some
13 stripes on the United States flag
13 Stripes on the United States Flag
13 Stripes on the American Flag
13 Unlucky For Some (bingo call)
13 - Unlucky For Some
stripes in the United States flag