17 possible answers to
Answers with 3 characters: ASS OAF SAP Answers with 4 characters: BOZO CLOD DODO DOLT DOPE FOOL TWIT Answers with 5 characters: DUNCE IDIOT MORON SCHMO Answers with 6 characters: NITWIT Answers with 7 characters: HALFWIT Answers with 8 characters: NUMSKULL