scrabble.py

from collections import defaultdict
import string

words = open("wordsEn.txt", "rb").read().split("\r\n")
words.sort(key=lambda k: (-len(k), k))

def longestWordsByLetter(k):
    remaining = dict((c, k) for c in string.lowercase)
    rv = defaultdict(list)
    for word in words:
        if not remaining:
            break
        else:
            c = word[0]
            if c in remaining:
                rv[c].append(word)
                remaining[c] -= 1
                if not remaining[c]:
                    del remaining[c]
    return dict(rv)

print longestWordsByLetter(10)