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Word Ways

Authors

Rex Gooch

Abstract

In a private communication I recently received an example and a challenge. The example was to change COLD to BARE by changing each letter in turn (all words to be valid), then to return to COLD in the same fashion: COLD BOLD BALD BARD BARE CARE CORE COLE COLD. I have previously called such sequences of there-and-back (regardless of the order of change) Snakes and Ladders, so I termed these sequences Sequential Snakes and Ladders, or SSLs for short.

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