Hello everyone, nice to welcome you on our site, this page even has Level 3 answers. I enjoy it =D
Level 3 - WOIRGGN
The answer to this puzzle is:
Words: GRINGO, GORING, ROWING, WRING, GIRON, OWING, WINO, NOIR, GIRO, WORN, INRO, GRIG, GROG, NORI, GIRN, WOG, WIG, NOR, WON, OWN, GIN, WIN, ROW, NOW, RIG, GIG, ION, NOG
Bonus words:
GRINGO, GORING, ROWING, WRING, GIRON, OWING, WINO, NOIR, GIRO, WORN, INRO, GRIG, GROG, NORI, GIRN, WOG, WIG, NOR, WON, OWN, GIN, WIN, ROW, NOW, RIG, GIG, ION, NOG