Hello everyone, nice to welcome you on our site, this page even has Level 4 answers. I enjoy it =D
Level 4 - LSIFINOH
The answer to this puzzle is:
Words: NIHILS, FOHNS, INFOS, NOILS, FOINS, FILOS, LINOS, FINOS, NIHIL, LOINS, FOILS, FINIS, NISI, FILO, HILI, HOLS, FONS, SINH, LINS, FOHN, NOSH, SOLI, LOIN, HONS, HINS, HISN, IONS, LINO, NILS, FILS, OILS, FINS, FINO, FOIN, ION, OIL, SOL, INS, NOS, FIN, NIL, HIS, HOS, HON, LIN, SON
Bonus words:
NIHILS, FOHNS, INFOS, NOILS, FOINS, FILOS, LINOS, FINOS, NIHIL, LOINS, FOILS, FINIS, NISI, FILO, HILI, HOLS, FONS, SINH, LINS, FOHN, NOSH, SOLI, LOIN, HONS, HINS, HISN, IONS, LINO, NILS, FILS, OILS, FINS, FINO, FOIN, ION, OIL, SOL, INS, NOS, FIN, NIL, HIS, HOS, HON, LIN, SON