Decode Encrypt Text

"""
Try to match all the words in encrypt text
"""
import re

ENCRYPT_TEXT = "Sm ppl cmprs txt msgs by rtnng only ths vwls tht bgn "
ENCRYPT_TEXT += "a wrd and by rplcng dbld ltrs wth sngl ltrs"
ENCRYPT_TEXT = ENCRYPT_TEXT.split()


def main():
    """
    The main function
    """
    word_dict = {}
    answer = {}

    # Build the dictionary by first letter
    for capital in range(ord('a'), ord('z')+1):
        word_dict[chr(capital)] = []

    with open("/usr/share/dict/words", "r") as dict_file:
        for word in dict_file.readlines():
            word = word.strip()
            if len(word) > 0:
                word_dict[word[0].lower()].append(word)

    for capital in word_dict.keys():
        word_dict[capital] = "\n".join(word_dict[capital])

    # For each word, try to find it in dictionary
    for word in ENCRYPT_TEXT:
        reg_re = word[0] + "".join([".*"+c for c in word[1:]]) + ".*"
        reg_re = reg_re.lower()
        answer[word] = re.findall(reg_re, word_dict[reg_re[0]])

    print answer

main()