6. The method of claim 1 , wherein the dictionary comprises a list of words and associated usage frequency rankings.
8. The method of claim 6 , wherein selecting a subset of the candidate words comprises organizing the candidate words into a first group and a second group, the first group comprising the candidate words having respective usage frequency rankings that exceed a threshold, the second group comprising the candidate words having respective usage frequency rankings that do not exceed the threshold; and wherein presenting the subset of the candidate words comprises presenting one or more of the candidate words of the first group in an order based on their scores.