Hello everyone, nice to welcome you on our site, this page even has Level 12 answers. I enjoy it =D
Level 12 - LBIXEEFL
The answer to this puzzle is:
Words: FLEXILE, BEFELL, BIFLEX, FILLE, BELIE, LIEF, BILE, FELL, IBEX, FEEB, ILEX, FIE, FIB, LEX, FIX, FEE, EEL, ILL, LEE, BEE, LIB, ELF, LEI
Bonus words:
FLEXILE, BEFELL, BIFLEX, FILLE, BELIE, LIEF, BILE, FELL, IBEX, FEEB, ILEX, FIE, FIB, LEX, FIX, FEE, EEL, ILL, LEE, BEE, LIB, ELF, LEI