Thereal-john:
3 letters, sounds like Pit
Bit ? Fit ? Git ? Hit ? Kit ? Lit ? MIT ? Nit ? Pit ? Sit ? T… Ah got it.
He may have lost any of his other senses 
The fyve wittes, that been sighte, herynge, smellynge, tastynge or savourynge, and feelynge
Geoffrey Chaucer.
I have met his type before, he can lift a ton but cannot spell it 