use LWP::UserAgent;
use HTTP::Cookies;

$letter1 = "d";                                                                                      
$letter2 = "r";
$letter3 = "f";

$ua = LWP::UserAgent->new;
$ua->cookie_jar(HTTP::Cookies->new(file => "lwpcookies.txt", autosave => 1, ignore_discard => 1));                                                                                      
$req = HTTP::Request->new( GET => "http://www.$letter1$letter2$letter3.com" );
print $req->as_string, "\n";
$response = $ua->request($req);
print $response->as_string;