9. The medium of claim 7 , wherein the information, when read by the machine, further causes the machine to perform the following: enabling the processing unit to store the words and phrases in the dictionary into a prefix tree.
11. The medium of claim 9 , wherein the step of enabling the processing unit to store the words and phrases in the dictionary into a prefix tree comprises: enabling the processing unit to store four letter prefixes and five letter prefixes associated with the words and phrases in the dictionary as nodes immediately below a root of the prefix tree.