Brain Game: Two of 26
By BY

The list of the world's independent nations (or "sovereign states," if you'd rather) includes 193 countries. On this list, you'll find nations beginning with every letter of the alphabet - except two. One of them isn't terribly surprising, but the other might be.
Name these two letters.
Here is the SOLUTION.
THEÂ SOLUTION:
The two letters are X and W.