to assist you for drawsome...

help_drawsome.py

#!/usr/bin/env python

chars = 'defillmorsty'
w_len = 7

assert len(chars) == 12
import enchant
d = enchant.Dict('en_US')

from itertools import permutations

s = set()
l = permutations(chars, w_len)
for i in l:
    w = ''.join(i)
    if w not in s and d.check(w):
        s.add(w)
        print w