European's Employee Email Address Formats

European uses 5 email formats, with first '.' last (ex. john.smith@eu.com)
being used 33% of the time.
lastsmith@eu.com7%
first last_initialjohns@eu.com7%
first '.' lastjohn.smith@eu.com33%
other_templateother_template@eu.com47%
firstjohn@eu.com7%