5 letter words:
fasts8,
fauts8,
fusts8,
tufas8,
atuas5,
sauts5,
4 letter words:
aufs7,
faas7,
fast7,
fats7,
faut7,
fuss7,
fust7,
saft7,
tufa7,
atua4,
saut4,
susu4,
tass4,
taus4,
utas4,
utus4,
3 letter words:
aft6,
auf6,
faa6,
fas6,
fat6,
aas3,
ass3,
aua3,
sat3,
sau3,
sus3,
tas3,
tau3,
uta3,
uts3,
utu3,
2 letter words:
fa5,
aa2,
as2,
at2,
st2,
ta2,
us2,
ut2,