5. The non-transitory computer readable medium of claim 4 , wherein the processing arrangement is further configured to omit at least some of the words or at least some combination of words when performing procedures (c) and (d).
5. The non-transitory computer readable medium of claim 4 , wherein the processing arrangement is further configured to omit at least some of the words or at least some combination of words when performing procedures (c) and (d). 6. The non-transitory computer readable medium of claim 5 , wherein the processing arrangement is further configured to omit at least some of the words or at least some combination of words based on at least one of a pruning heuristic search or a hill climbing search.