Hello everyone, nice to welcome you on our site, this page even has Level 6 answers. I enjoy it =D
Level 6 - CGEBIER
The answer to this puzzle is:
Words: GREBE, GIBER, BRIG, EGER, BREE, GREE, BIER, BICE, CERE, GIBE, CIRE, BERG, BRIE, CIG, ERG, REG, RIG, GEE, IRE, REC, BIG, ERE, REB
Bonus words:
GREBE, GIBER, BRIG, EGER, BREE, GREE, BIER, BICE, CERE, GIBE, CIRE, BERG, BRIE, CIG, ERG, REG, RIG, GEE, IRE, REC, BIG, ERE, REB