Level 1. VANISH, SHIN, VAIN, VISA
Level 2. POSE, SEEP, EXPOSE, EXPO
Level 3. CARLE, CORAL, ORACLE, CLEAR
Level 4. RACE, CATER, CRATE, REACT, TRACE, TEAR
Level 5. BARN, BRAY, YARN, BRAIN, RAINY, BINARY, RAIN
Level 6. DEAL, DEAN, DIAL, IDEA, LAND, LEAD, LEAN, DANIEL, LINE
Level 7. DEAF, DUEL, FEUD, FLEA, FLUE, LEAF, FEUDAL, FADE
Level 8. DIET, DIRE, DIRT, EDIT, RITE, SIDE, TIDE, TIER, STRIDE, TIRE