Margus Martsepp (Stackoverflow:Removing non-unique data on insert)

        private void putWords(HashSet<string> words)
        {
            using (qWordlistDataContext lh = new qWordlistDataContext())
            {
                foreach (string s in words)
                    lh.words.InsertOnSubmit(new word() { word1 = s });

                // Submit the change to the database.
                try
                {
                    lh.SubmitChanges();
                }
                catch (Exception e)
                {
                    Console.WriteLine(e);
                }
            }
        }