13 possible answers to
Answers with 3 characters: BYE Answers with 4 characters: CIAO TATA Answers with 5 characters: ADIEU ADIOS ALOHA ENVOI Answers with 7 characters: GOODBYE TOODLES Answers with 8 characters: FAREWELL SAYONARA TOODLEOO Answers with 11 characters: ARRIVEDERCI