5 letter words:
staff11,
stuff11,
tuffs11,
fauts8,
tufas8,
4 letter words:
tuff10,
aufs7,
fast7,
fats7,
faut7,
fust7,
saft7,
tufa7,
saut4,
taus4,
utas4,
3 letter words:
aff9,
aft6,
auf6,
fas6,
fat6,
sat3,
sau3,
tas3,
tau3,
uta3,
uts3,
2 letter words:
fa5,
as2,
at2,
st2,
ta2,
us2,
ut2,