Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - ILONGKC
The answer to this puzzle is:
Words: COKING, COLIN, CLINK, NICOL, COIGN, KLONG, INCOG, CLONK, GINK, LINO, KILN, IKON, CLON, CONI, KILO, CION, CONK, NOCK, CLOG, NICK, LING, LOIN, LOCI, KINO, ICON, KIN, CON, ION, INK, NIL, ILK, CIG, NOG, COG, GIN, LIN, COL
Bonus words:
COKING, COLIN, CLINK, NICOL, COIGN, KLONG, INCOG, CLONK, GINK, LINO, KILN, IKON, CLON, CONI, KILO, CION, CONK, NOCK, CLOG, NICK, LING, LOIN, LOCI, KINO, ICON, KIN, CON, ION, INK, NIL, ILK, CIG, NOG, COG, GIN, LIN, COL