Extra Square Magic

Place all five pieces so they fit together FRONT side up, with four "FRONT" words in vertical alignment.

Then rotate/flip each piece over like the pages of a book, and place each piece top to bottom and left to right, until ...

Now, there seems to be an extra piece?

Demonstration video by Puzzleguy on Youtube is here:

https://www.youtube.com/shorts/rWG_BQAtqjU

Update 4/11/2024: Added unlabeled version, for those who wish to customize the faces of the puzzle.