1) Use excel to let user draw out grid and input available letters
2) Extract grid as a 2d list (begin python)
3) Extract list of available letters
4) Extract list of blank words along with their location
5) Extract list of word overlaps (possibly part of 4)
6) Extract list from google 10k most common words that only use available letters -> checked words
7) Cycle through list of checked words testing the overlaps for a perfect fit
8) Place perfect fit back into the array
9) Output array to excel to display solution