wordfile = open("C:\\Users\\Joe\\Documents\\Python Code\\20k.txt", "r")
answerwords = []
allwords = []

for line in wordfile:
    line = line.lower()
    line = line.strip()
    allwords.append(line)
print("loaded google 20k")
wordfile.close()

wordfile = open("C:\\Users\\Joe\\Documents\\Python Code\\english.txt", "r")
for line in wordfile:
    line = line.lower()
    line = line.strip()
    allwords.append(line)
print("loaded 450k")
wordfile.close()

wordfile = open("C:\\Users\\Joe\\Documents\\Python Code\\british.txt", "r")
for line in wordfile:
    line = line.lower()
    line = line.strip()
    allwords.append(line)
print("loaded british 56k")
wordfile.close()

def wordwithletters(avl_letters, word):
    temp_avl_letters = avl_letters[:]
    hits = 0

    if(len(word)>len(avl_letters)): #pretest
        return(False)

    for letter in word:
        try:
            temp_avl_letters.remove(str(letter))
            hits +=1
        except ValueError:
            break

    if hits == len(word): #then it only uses letters in the available letter
        return(True)

def getletters():
    avl_letters = []
    user_letter = 8

    user_letters = input("Enter all available letters:")
    for letter in user_letters:
        avl_letters.append(letter)
    return(avl_letters)

def myFunc(e):
  return len(e)


avl_letters = getletters()

for word in allwords:
    if (len(word)>=3):
        if wordwithletters(avl_letters, word):
            answerwords.append(word)

answerwords.sort(reverse=True,key=myFunc) #sort by word length, longest first

answerwords = list( dict.fromkeys(answerwords) ) #remove all duplicates


print(answerwords)
print(avl_letters)