| c# Programming Glossary: rackScrabble word finder with wildcards http://stackoverflow.com/questions/7418910/scrabble-word-finder-with-wildcards  to test every word in the dictionary against a given rack because you can prune out whole huge branches of the dictionary.. prune out whole huge branches of the dictionary that the rack cannot possibly match. Let's look at a small example. Suppose.. O P S   P O O T   T S T P O   S S S P   S and you have the rack OPS what do you do First you say can I go down the O branch.. 
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