By 'bad' do you mean they are in some way humiliating for him? Easiest thing to do in that case would be to think of things you personally would find demeaning/degrading/embarrassing (assuming that's the range of emotions you're aiming for with his punishments, maybe you're not?) rather than try to find direct equivilents. Figure out why a statement is a punishment for him and think of something that would make you feel the same way. What is a punishment for one person could be a pleasure for another after all! :)