b-l-a-c-k-h-o-r-s-e-x

Updated: May 8, 2025

It would be possible of course to simply start with the letter "a" and go to "k," but this system would be too simple and easily understood by your opponents. A better way is to take a word easily remembered in which no letter occurs twice, such as "B-l-a-c-k-h-o-r-s-e-x" or any other combination. "Buy and trade" "importance," "formidable," and many others are used.

Claude Harris Miller - Outdoor Sports and Games