Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - SYEAFT
The answer to this puzzle is:
Words: FATES, FEATS, YEAST, FETAS, ATES, FETS, ETAS, EFTS, EATS, AYES, SETA, FAYS, SATE, STYE, FETA, FEST, FEAT, EYAS, TEAS, YEAS, FATS, AFT, ATE, YEA, STY, SAT, ETA, AYE, SET
Bonus words:
FATES, FEATS, YEAST, FETAS, ATES, FETS, ETAS, EFTS, EATS, AYES, SETA, FAYS, SATE, STYE, FETA, FEST, FEAT, EYAS, TEAS, YEAS, FATS, AFT, ATE, YEA, STY, SAT, ETA, AYE, SET