I'm making a game where players need to spell English words (including American and British English) using a limited set of 8 distinct letters, which can be re-used multiple times. How would I go about choosing those 8 letters to maximize the number of words players can spell? The words can be any length and have repeat letters. Proper names are OK too. I would think that using the four most common vowels (A,E,I,O) and the most common consonants (S,T,R & H - I believe), would yield the most w...