Recently a report for the most commonly used passwords for 2014 has come out. Variations on 123456 are in the top 11 most used passwords. The best things to do when creating a password is to mis-spell the word used, using Numbers, Punctuation characters and symbols, and upper and lower case can also help. But keep in mind a Password like Tr0ub4dor&3 is easier to hack than a paring of common words. See the cartoon at http://xkcd.com/936/
Have a look at the report on the 25 most common passwords for 2014 at Engadget – Please don’t use these passwords. Sincerely, the Internet.