Testing this comment: http://news.ycombinator.com/item?id=3349172

scrabble_phrase_maker.py

import sys

valid_words = set([
        'AA', 'AB', 'AD', 'AE', 'AG', 'AH', 'AI', 'AL', 'AM', 'AN', 'AR', 'AS', 'AT', 'AW', 'AX', 'AY',
        'BA', 'BE', 'BI', 'BO', 'BY',
        'DE', 'DO',
        'ED', 'EF', 'EH', 'EL', 'EM', 'EN', 'ER', 'ES', 'ET', 'EX',
        'FA', 'FE',
        'GO',
        'HA', 'HE', 'HI', 'HM', 'HO',
        'ID', 'IF', 'IN', 'IS', 'IT',
        'JO',
        'KA', 'KI',
        'LA', 'LI', 'LO',
        'MA', 'ME', 'MI', 'MM', 'MO', 'MU', 'MY',
        'NA', 'NE', 'NO', 'NU',
        'OD', 'OE', 'OF', 'OH', 'OI', 'OM', 'ON', 'OP', 'OR', 'OS', 'OW', 'OX', 'OY',
        'PA', 'PE', 'PI',
        'QI',
        'RE',
        'SH', 'SI', 'SO',
        'TA', 'TI', 'TO',
        'UH', 'UM', 'UN', 'UP', 'US', 'UT',
        'WE', 'WO',
        'XI', 'XU',
        'YA', 'YE', 'YO',
        'ZA',
    ])

used_pairs = {}
winners = set()

dict_file = sys.argv[1]
print "Loading %s" % (dict_file,)

dictionary = list()
for word in open(dict_file, mode="r"):
    dictionary.append(word.strip().upper())

print "Loaded %s words" % (len(dictionary),)

for word in dictionary:
    word_won = True
    i = 0
    while i+1 < len(word) and word_won:
        word_part = word[i:i+2]
        if word_part in valid_words:
            i += 1
            if word_part in used_pairs:
                used_pairs[word_part].append(word)
            else:
                used_pairs[word_part] = [word]
        else:
            word_won = False
    
    if word_won:
        winners.add(word)
    

print "Qualified words for phrases:"
print "  %s" % (winners,)
print "Found scrabble words:"
print "  %s" % (used_pairs.keys(),)
print "Never found scrabbled words: "
print "  %s" % (valid_words.difference(used_pairs),)


"""
Loading american-words.95
Loaded 2978 words
Qualified words for phrases:
  set(['MELINE', 'ESOP', 'HEMAD', 'SHERE', 'WER', 'UNENAMORED', 'MYOHEMATIN', 'REHONOR', 'HEMATOSIN', 'ANEMATOSIS', 'TORET', 'HEMATID'])
Found scrabble words:
  ['BE', 'WE', 'BA', 'WO', 'BO', 'BI', 'JO', 'RE', 'GO', 'ON', 'OM', 'OI', 'OH', 'OF', 'OD', 'OY', 'OX', 'OW', 'OS', 'OR', 'OP', 'HI', 'HO', 'HM', 'HA', 'HE', 'PA', 'PE', 'PI', 'EM', 'EL', 'EN', 'EH', 'ED', 'EF', 'IT', 'EX', 'ET', 'ES', 'ER', 'ME', 'MA', 'MM', 'UT', 'MO', 'MI', 'UP', 'US', 'UM', 'UN', 'MY', 'FA', 'FE', 'NO', 'NA', 'NE', 'NU', 'XI', 'KA', 'KI', 'SI', 'SH', 'SO', 'DO', 'YO', 'YA', 'DE', 'YE', 'MU', 'LA', 'LO', 'LI', 'TO', 'TI', 'TA', 'AB', 'AE', 'AD', 'AG', 'AI', 'AH', 'IS', 'AM', 'AL', 'AN', 'AS', 'AR', 'AT', 'IN', 'AX', 'ID', 'IF']
Never found scrabbled words: 
  set(['AA', 'OE', 'ZA', 'QI', 'UH', 'AW', 'AY', 'BY', 'XU'])
"""