In the August 1989 Word Ways I posed the question
Three letters can be deleted from PALINDROME to leave 120 different groups.
How many of these 120 can be rearranged to form genuine words or terms?
"'Palindrome' Trnas-3 Deletions Revisited,"
Word Ways: Vol. 39
, Article 17.
Available at: http://digitalcommons.butler.edu/wordways/vol39/iss4/17