Hello everyone, nice to welcome you on our site, this page even has Level 6 answers. I enjoy it =D
Level 6 - OBKLUCN
The answer to this puzzle is:
Words: CLONK, BLOCK, BUNKO, BUCKO, BUNCO, CLUNK, UNCO, CONK, CLON, NOCK, BUCK, BOCK, BUNK, BLOC, CLUB, LOCK, BONK, NUB, COB, COL, CON
Bonus words:
CLONK, BLOCK, BUNKO, BUCKO, BUNCO, CLUNK, UNCO, CONK, CLON, NOCK, BUCK, BOCK, BUNK, BLOC, CLUB, LOCK, BONK, NUB, COB, COL, CON