Unless one is dealing with a relatively large dictionary, it is not difficult to rearrange the alphabet so that no four-letter heterograms (words with no repeated letters) can be read off in order. However, it appears impossible to achieve this for three-letter heterograms for even a small dictionary. The purpose of this article is to exhibit an alphabetic rearrangement (not unique) that minimizes the number of three-letter Official Scrabble Players Dictionary heterograms.
Eckler, A. Ross
"Fewest Words in Rearranged Alphabets,"
Word Ways: Vol. 44
, Article 3.
Available at: http://digitalcommons.butler.edu/wordways/vol44/iss2/3