Outputs anagrams from the exact letters and number of letters from a given word
please run with c++ 11
This works by sorting every word by letter in the dictionary, and using that word as a key for an unordered map
words with the same sorted outcome will have the same key, and be added to the array that corisponds with that key
Please enter a word when prompted
Only gives words that use the exact letters of the given word, meaning just the letters rearanged.