So Magnus walks Laertes slowly through the alphabet. "This is good for when you don't know the actual word," he explains, once he's given Laertes an initial introduction to all the letters. "Or names, as until you get a name-sign." He scratches his head. "I'm happy to give you one, by the way, if you don't want to pick. Or you could ask someone else -- you're friends with Claudius, right? I'm teaching him sign. He might have some ideas."