Anyone can change the world.

Like puzzles? Solve this problem to catch our attention! Be sure to follow the instructions exactly.

Two words are friends if they have a Levenshtein distance
of 1. That is, you can add, remove, or substitute exactly one letter in word X to create word Y. A word’s social network 
consists of all of its friends, plus all of their friends, and all of their friends’ friends, and so on. Write a program
to tell us how big the social network for the word “causes” is, using this word list. Have fun!

Include your answer, along with your thought process,
notes, and any code along with your resume.