19. The system of claim 18 , further comprising updating the current best n-gram to be the determined highest overall scoring n-gram of the order when it is determined that the current best n-gram should be updated.
20. The system of claim 19 , wherein updating the current best n-gram further comprises associating a score with the updated current best n-gram, wherein the score is the overall score of the updated current best n-gram when the updated current best n-gram has an overall score that is higher than the score associated with the previous best n-gram, and otherwise is the score of the previous best n-gram.