3x3 python GUI memory game

Create a simple 3x3 and 4x4 GUI word memory game using python 3.3 the user have 30 seconds to memorize the 9 words placed randomly of the GUI, after that a new grid of nine five-letter words should appear. Eight of the words are from the original grid but one word has been replaced. The user should be able to type the missing and the new word on the gui and check the answer.