That's much more reasonable and by the book, perhaps disappointingly so; her first guess had character going for it if not correctness. He scratches in the correct if boring letter, whistling a scrap of a tune that isn't a clue in any way except to him, just a little fanfare.

_ _ _ _ _ E

"Good. Nothing daunting about Hangman, once you learn the ropes." He grins, likewise undaunted.