5 letter words:
filos8,
foils8,
fouls8,
fusil8,
sulfo8,
louis5,
4 letter words:
filo7,
fils7,
flus7,
foil7,
foul7,
oils4,
silo4,
soil4,
soli4,
soul4,
3 letter words:
fil6,
flu6,
fou6,
ifs6,
lis3,
oil3,
sol3,
sou3,
2 letter words:
if5,
of5,
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,
us2,