Hello everyone, nice to welcome you on our site, this page even has Level 7 answers. I enjoy it =D
Level 7 - IDEBR
The answer to this puzzle is:
Words: REBID, BIDER, BIDE, DRIB, BRIE, BIER, BRED, DIE, BED, REB, IRE, DEB, RED
Bonus words:
REBID, BIDER, BIDE, DRIB, BRIE, BIER, BRED, DIE, BED, REB, IRE, DEB, RED