5 letter words:
fouls8,
sulfo8,
4 letter words:
flus7,
fons7,
foul7,
funs7,
nous4,
onus4,
soul4,
sulu4,
ulus4,
3 letter words:
flu6,
fon6,
fou6,
fun6,
nos3,
nus3,
ons3,
sol3,
son3,
sou3,
sun3,
ulu3,
uns3,
2 letter words:
of5,
lo2,
no2,
nu2,
on2,
os2,
so2,
un2,
us2,