Hello everyone, nice to welcome you on our site, this page even has Level 18 answers. I enjoy it =D
Level 18 - YWCOOSB
The answer to this puzzle is:
Words: BOYOS, BOYS, BOYO, COOS, BOOS, COBS, BOWS, COWY, COWS, COYS, WOOS, SCOW, COB, SOW, COS, BOO, COO, COY
Bonus words:
BOYOS, BOYS, BOYO, COOS, BOOS, COBS, BOWS, COWY, COWS, COYS, WOOS, SCOW, COB, SOW, COS, BOO, COO, COY