Level 1. AMID, MIDDAY, MAID
Level 2. INFORM, CONFIRM, MINOR
Level 3. CHAIR, CHART, CHARITY, HAIRY
Level 4. GRIT, RITE, TIRE, TIGER, TRIGGER, TRIG
Level 5. CABLE, CANAL, BALANCE, CLEAN
Level 6. SHAME, MESSIAH, SMASH
Level 7. OPERA, PAPPER, APPROVE, PROVE
Level 8. COOL, CORN, COLON, COLOR, CROON, CONTROL, LOON