In the November 1971 Word Ways, Darryl Francis presented a list of words and names, each as long as possible, beginning and ending with all possible letter-pairs. At the end of the article, he challenged Word Ways readers to draw up the corresponding list of the shortest possible words. Answering his challenge, I have constructed the list below.
Card, Leslie E.
"More Beginnings and Endings,"
Word Ways: Vol. 5
, Article 12.
Available at: https://digitalcommons.butler.edu/wordways/vol5/iss1/12