15 possible answers to
Answers with 3 characters: GOI Answers with 4 characters: GOIN TYPE Answers with 5 characters: ENROL INPUT KEYIN Answers with 6 characters: GOINTO STEPIN STEPTO TYPEIN Answers with 7 characters: GETINTO Answers with 8 characters: COMEINTO GOINSIDE STEPINTO Answers with 9 characters: PENETRATE