Try trie tree

* 'master' of github.com:charlesreid1/five-letter-words:
  clarify palindrome checks

* 'master' of https://charlesreid1.com:3000/cs/five-letter-words:
  Add near palindrome output, and fix palindrome pairs to exclude palindromes
  adding a near-palindrome checker.
  update comment in palindrome.py
  update readme with new scripts.
  Make distinct.py more efficient: one loop over words.
  Don't need pretty print.
  Update distinct script to print out some examples.
  fix comments.
  updating lexico and reverse lexico script to print ALL lexico and reverse lexico words
  updating comment block
  updating diff-by-one script comment
  updating diff by n to print, for n equals 2 through 2
  adding output from lexico and reverse lexico
  make diff by one code match what is in github blog post.
  reverse order of printed distances
  adding a diff-by-n variation on the diff-by-one program