kickass, thanks Leo! I just edited it, and it works, I appreciate the help!
added rating!
Here's what I did:
Code:
<?php
$letters = array('a','b','c','d','e','f','g','h','i','j','k','l','m','n','o','p','q','r','s','t','u','v','w','x','y','z');
$letters=array_merge($letters);
$output .= '<pre>';
foreach ($letters as $a)
foreach ($letters as $b)
foreach ($letters as $c)
foreach ($letters as $d)
$output .= $a . $b . $c . $d . ".com\n";
echo $output . '</pre>';
?>