5 letter words:
filos8,
foils8,
soily8,
4 letter words:
foys10,
filo7,
fils7,
foil7,
loys7,
oily7,
syli7,
oils4,
silo4,
soil4,
soli4,
3 letter words:
fly9,
foy9,
fil6,
ifs6,
loy6,
oys6,
sif6,
sly6,
soy6,
yos6,
ios3,
iso3,
lis3,
los3,
oil3,
sol3,
2 letter words:
fy8,
if5,
of5,
oy5,
yo5,
io2,
is2,
li2,
lo2,
oi2,
os2,
si2,
so2,