Analyse 5-letter words for optimum Wordle guess

wordlehack.py

#!/usr/bin/python3

# cf. https://en.wikipedia.org/wiki/Letter_frequency
letters = "EARIOTNSLCUDPMHGBFYWKVXZJQ".lower()
#letters = "etaoinshrdlcumwfgypbvkjxqz"
words = { }

def skip_double(word):
    pos = 1
    for letter in word:
        if letter in word[pos:]:
            return True
        pos = pos+1
    return False

def get_score(word):
    score = 0
    for letter in word:
        tmp = letters.find(letter)
        score += tmp
    return score

with open("/usr/share/dict/british-english","r") as wordlist:
    for word in wordlist:
        word = word.strip()
        if len(word) != 5 or "'" in word or "é" in word or word[0].isupper() or skip_double(word):
            continue
        score = get_score(word)
        if score > 15:
            continue
        words[word] = score

# cf. https://stackoverflow.com/a/68105488/838719
words = { k:v for k,v in sorted(words.items(), key=lambda x:x[1]) }
print("Suggested guesses (lower is better):",words)