Level 1. EXIT, SITE, EXIST, TIS
Level 2. SET, TOE, REST, SORE, SORT, STORE, ROTE
Level 3. JOSEPH, SHOP, HOPE, POSE, SHOE
Level 4. FAMILY, FAIL, FILM, FLAY, MAIL
Level 5. MIST, MUST, SUIT, SUMBIT, STUB
Level 6. LIAR, PAIL, PAIR, PILL, PILLAR, RAIL
Level 7. RENT, TIRE, INERT, INNER, INTER, INTERN, REIN
Level 8. HERO, ROTE, THEY, TYRE, OTHER, THEORY, TYRO
