Hello everyone, nice to welcome you on our site, this page even has Level 19 answers. I enjoy it =D
Level 19 - OSIIHFNL
The answer to this puzzle is:
Words: NIHILS, FINOS, NIHIL, FINIS, LINOS, FOILS, FILOS, FOHNS, NOILS, FOINS, INFOS, LOINS, FONS, HOLS, SINH, LINS, SOLI, NISI, HILI, LOIN, HISN, FINS, FOHN, FOIN, HINS, IONS, NOSH, SILO, FILS, FILO, FINO, LINO, NILS, OILS, HONS, HIS, HON, INS, OIL, LIN, FIN, NIL, SON, SOL, NOS, HOS
Bonus words:
NIHILS, FINOS, NIHIL, FINIS, LINOS, FOILS, FILOS, FOHNS, NOILS, FOINS, INFOS, LOINS, FONS, HOLS, SINH, LINS, SOLI, NISI, HILI, LOIN, HISN, FINS, FOHN, FOIN, HINS, IONS, NOSH, SILO, FILS, FILO, FINO, LINO, NILS, OILS, HONS, HIS, HON, INS, OIL, LIN, FIN, NIL, SON, SOL, NOS, HOS