X works extra hard to be lots of things.  It can mean NO.  It can be the number 10.  X can be a kiss.  Or a part of Christmas.  
Wow!  X is so busy.  Busy like a bee.  I’m surprised that bees don’t Buxx, they buzz.  And when we sleep, we catch some zz’s.  But sometimes we snore and then the X’s come out!   SKNXX-X   😉

X is also for: