print "$_\n" for sort qw (  http://. 
                            http://www.google.com 
                            http://www.google.co.uk 
                            http://au.google.com 
                            http://au.goo.com 
                            http://au.goop.com  
                         );

__DATA__
http://.
http://au.goo.com
http://au.google.com
http://au.goop.com
http://www.google.co.uk
http://www.google.com