X is for X's. X's on papers, X's you'd rather forget and just the letter X.
The teacher puts an X on the incorrect answer. You'd like to X out your X as easily. The letter X is the 24th letter of the alphabet.
X's are everywhere, whether triple X or as a warning. The X can be an annoying creature or a welcome one. A big red X across a paper you worked on for weeks annoying, an X over the face of an X as you find them on a don't date them site, a joy.
Well, what can you say with the letter X?