All you gotta do is copy that thing where it says faecbook and delete everything but the ae. Like English (US) Twitter Fæcbook Contact Us Forum software by XenForo™ ©2011 XenForo Ltd. You get the idea blood?
Alternatively, you could just go to the character map in Accessories on your start menu. I haven't used XP for a while, but I'm pretty sure character map is still there.