6 letter words:
fillos9,
follis9,
5 letter words:
fillo8,
fills8,
filos8,
foils8,
lilos5,
4 letter words:
fill7,
filo7,
fils7,
foil7,
ills4,
lilo4,
oils4,
sill4,
silo4,
soil4,
soli4,
3 letter words:
fil6,
ifs6,
sif6,
ill3,
ios3,
iso3,
lis3,
los3,
oil3,
sol3,
2 letter words:
if5,
of5,
io2,
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,