The rise of XD- Part 1

In Slang language, XD stands for a laughing face. (See it sideways).

From your computer, You can Type two types of Xs. A capital (X) and a Small (x).

Also, You can type Two types of Ds, A Capital (D) and a Small (d).

How Many Types of Signs can you make with the x-d combination?


Note that order of the letters matters.

The Combinations are counted, Whether they make sense, or not.

This problem is 100% Original


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