Separate names with a comma.
Here's one solution: http://forums.toucharcade.com/showpost.php?p=111453&postcount=36 (I wanted this post to be about perfect levels, but oh well :)
I've updated the post with someone else's solution :)
I tried each one twice :) so I know it works ... and yeah, 8*3=24, but 8*4=32 :) apparently I can't count to 4 :P
*SPOILER ALERT* - DON'T READ THIS UNTIL YOU'VE TOTALLY GIVEN UP or you're just plain bored - These walk-through's will show you how to make it...