Convert all the elemens in a file into a array in haskell

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Haskell

I am having a file which contains a set of 200000+ words and i want the program to read the data and store it in array and form a new array with all the 200000+ words
I wrote the code as

import System.IO
main = do
    handle <- openFile "words.txt" ReadMode
    contents <- hGetContents handle
    con <- lines contents
    putStrLn ( show  con)
    hClose handle

But it is giving a type error as type error at line 5

And the text file is a of the form
........
ABRIDGMENT
ABRIDGMENTS
ABRIM
ABRIN
ABRINS
ABRIS
...........and so on

what are the amendments in the code that it can can form a array of words

I solved it in python with(HTH)

def  readFile():
    allWords = []
    for word  in open ("words.txt"):
        allWords.append(word.strip())
    return allWords