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Phone letter
Puzzle from the rendezvous with cassidoo newsletter from November 28th, 2021.
Given a string containing digits from 2-9, return all possible letter combinations that the number could represent based on phone numbers/letters. For example, 2 could be a, b, or c, 3 could be d, e, or f, and so on.
Solution posted at https://gist.github.com/zoeisnowooze/2d4de576560cd1f340956aca424a94b0