In traditional alphanumerics the values (alphabetical order) of the letters are added up to get the value of a word. Longer words tend to have higher values. A different approach which will eliminate that skew is to value words by alternately adding and subtracting their letter values.
Word Ways: Vol. 46
, Article 8.
Available at: http://digitalcommons.butler.edu/wordways/vol46/iss3/8