Will update this as I get some!
$0.99 .com Domain - ROCKET99
$2 off .com - FB99COM
$0.99 .com - SMB99F
$1.99 .com Domain - CJCRMN199
All work for me, let me know if they don't for you! And I'll try to find another!
When would someone ever find one that works with paypal :/..