Hello everyone, nice to welcome you on our site, this page even has Level 3 answers. I enjoy it =D
Level 3 - GCLISNO
The answer to this puzzle is:
Words: NICOLS, CLINGS, COSIGN, LOGICS, LOGINS, SOLING, COLINS, INCOGS, COIGNS, COLIN, CLOGS, COILS, NICOL, LOINS, INCOG, LINGS, CLONS, NOILS, LONGS, COIGN, LINOS, CIONS, LINO, SLOG, NILS, LINS, CLON, CONI, CION, CLOG, SOLI, COGS, GINS, COLS, CIGS, SILO, SOIL, CONS, LOCI, LOGS, ICON, LONG, LION, SIGN, SONG, LOIN, LING, OILS, IONS, CIG, LOG, CON, LIN, COG, SON, NOG, GIN, OIL, ION, COL, INS, NOS, SIC, COS, NIL, SOL, SIN
Bonus words:
NICOLS, CLINGS, COSIGN, LOGICS, LOGINS, SOLING, COLINS, INCOGS, COIGNS, COLIN, CLOGS, COILS, NICOL, LOINS, INCOG, LINGS, CLONS, NOILS, LONGS, COIGN, LINOS, CIONS, LINO, SLOG, NILS, LINS, CLON, CONI, CION, CLOG, SOLI, COGS, GINS, COLS, CIGS, SILO, SOIL, CONS, LOCI, LOGS, ICON, LONG, LION, SIGN, SONG, LOIN, LING, OILS, IONS, CIG, LOG, CON, LIN, COG, SON, NOG, GIN, OIL, ION, COL, INS, NOS, SIC, COS, NIL, SOL, SIN