Click on "Make Word" to make your first word. Click "Reset" to clear all the words. Click "Flip Card" or space to see the back side. Click "Back" or left arrow to go back a flashcard. Click "Next" or right arrow to go to the next word. Make sure to only have 15 and no more, or else it won't show.
Make sure to check out my Youtube Channel, @blobfishy5630. Thanks to pokesneho for helping me with the code.