20 possible answers to
Answers with 3 characters: HOP OTO REE SAC UTE Answers with 4 characters: CREE HOPI OTOE PIMA YUMA Answers with 5 characters: OMAHA OSAGE PIUTE TETON UINTA Answers with 6 characters: APACHE NAVAHO SIA-10 Answers with 7 characters: ARAPAHO Answers with 8 characters: ARAPAHOE