12. The apparatus of claim 11 wherein said means for assigning an orientation number includes locating each consonant of each of said stems in a column of said matrix and assigning to said each consonant the orientation number at the top of said column, said means for assigning an orientation weight includes means for assigning the value of 0.5 to said each consonant, said means for assigning a category number includes means for locating said each consonant in a row of said matrix and assigning to said each consonant the category number of said row, and said means for assigning a category weight includes means for assigning to said each consonant the category weight number of said row.
14. The apparatus of claim 12 wherein said means for assigning a numeric value includes means for comparing the category numbers of each pair of adjacent consonants of said first stem to the category numbers of each pair of adjacent consonants of said second stem and means for increasing a category association number by the sum of the category weights of the pair of adjacent consonants of said first stem having the same category numbers as the pair of adjacent consonants of said second stem.