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Level 18 - ATEAYGW
The answer to this puzzle is:
Words: AGATE, GETA, GAT, YAW, AWE, YEW, WAG, ATE, WET, YEA, ETA, AYE, GAY
Bonus words:
AGATE, GETA, GAT, YAW, AWE, YEW, WAG, ATE, WET, YEA, ETA, AYE, GAY