5 letter words:
folks12,
oulks9,
fouls8,
sulfo8,
4 letter words:
folk11,
lusk8,
ouks8,
oulk8,
skol8,
souk8,
sulk8,
flus7,
foul7,
fous7,
ufos7,
lous4,
soul4,
3 letter words:
kos7,
ouk7,
suk7,
flu6,
fou6,
ufo6,
los3,
lou3,
ous3,
sol3,
sou3,
2 letter words:
ko6,
of5,
lo2,
os2,
ou2,
so2,
us2,