Good morning! Here's a brand new Think Thursday challenge for today's mentalfloss.com Brain Game. Good luck:

What letter is missing in the following
alphabetic list, and what do these letters
have in common that no others do?

F, L, M, N, ?, X.

Here is the ANSWER.

THE ANSWER:

The missing letter is S.

These are the only letters that begin with a short "E" sound when pronounced: ef, el, em, en, es, and ex.

Thanks for playing! Tomorrow - Free-for-all Friday.