26. The method of claim 25 , wherein one of said memory elements is configured to store data relating to a first lexical tree, and a second of said memory elements is configured to store data relating to a second lexical tree, the second lexical tree comprising a different model of words than the first lexical tree.
25. The method of claim 16 , wherein the memory structure comprises a plurality of memory elements, the memory structure being adapted for independent lookup of states in each of said memory elements.