CHAR_SCORES = { 'A': 1, 'E': 1, 'I': 1, 'O': 1, 'U': 1, 'L':1, 'N':1, 'R':1, 'S':1, 'T':1,
                'D':2, 'G':2, 'B':3, 'C':3, 'M':3, 'P':3, 'F':4, 'H':4, 'V':4, 'W':4, 'Y':4,
                'K':5, 'J':8, 'X':8, 'Q':10, 'Z':10 }

def score(word):
    word = word.upper()
    score = 0
    for letter in word:
        score += CHAR_SCORES[letter]
    return score