A1's Employee Email Address Formats

A1 uses 8 email formats, with first '.' last (ex. john.smith@a1.net)
being used 21% of the time.
first_initial lastjsmith@a1.net2%
lastsmith@a1.net2%
first lastjohnsmith@a1.net4%
first_initial '.' lastj.smith@a1.net4%
first '.' last_initialjohn.s@a1.net1%
first '.' lastjohn.smith@a1.net21%
other_templateother_template@a1.net63%
firstjohn@a1.net2%