Level 1. BASS, ABYSS, BYPASS, PASS
Level 2. HEN, HIS, SIN, SHIN, SINE, SHINE, SHE
Level 3. ERASE, RESET, STARE, EASTER, TEASE
Level 4. LEAP, PALE, PEAR, PLEA, REAP, PEARL, REAL
Level 5. HILL, HILT, RILL, TILL, TRILL, THRILL, LILT
Level 6. DEAL, DEAN, DIAL, IDEA, LAND, LEAD, LEAN, LINE, DANIEL
Level 7. MOST, MUST, OUST, SMUT, STOUT, UTMOST, TOUT
Level 8. GONE, NOPE, NOSE, OPEN, POSE, SNOG, SPONGE, SONG
