Hello everyone, nice to welcome you on our site, this page even has Level 3 answers. I enjoy it =D
Level 3 - DGIER
The answer to this puzzle is:
Words: DIRGE, GRIDE, GIRD, DREG, GIED, ERG, RIG, REG, IRE, RED
Bonus words:
DIRGE, GRIDE, GIRD, DREG, GIED, ERG, RIG, REG, IRE, RED