In Language on Vacation, p140, Dmitri Borgmann shifted the words of the 3 x 3 square HER - EMU - RUT, letter by letter, 10 steps along the alphabet, looping from Z to A, to make a second square ROB - OWE - BED. Tom Pulliam topped this by shifting the 4 x 4 square BARE - ANER - RENA - ERAR, letter by letter, 13 steps along the alphabet to make the square ONER - NARE - ERAN - RENE (WW76104). The current article deals exclusively with 3 x 3 squares. Both the above shift exercises involve 2 squares whereas the letter-shifts below occur within a single square.
"A Special Type of Word-Shift Square,"
Word Ways: Vol. 40
, Article 15.
Available at: http://digitalcommons.butler.edu/wordways/vol40/iss2/15