I wouldn't bother, far too many people are capable of 'reading' the letters in arbitrary directions as in games such as Boggle. If you eliminate all orderings t

I wouldn't bother, far too many people are capable of 'reading' the letters in arbitrary directions as in games such as Boggle. If you eliminate all orderings that include adjacent vertical, diagonal, zigzag, crossing, and reverse directions, you aren't going to be left with much.