8 letter words:
fuffiest17,
6 letter words:
tuffes12,
5 letter words:
fuffs14,
fiefs11,
fifes11,
stiff11,
stuff11,
teffs11,
tiffs11,
tuffe11,
tuffs11,
feist8,
fetus8,
fiest8,
etuis5,
suite5,
4 letter words:
fuff13,
effs10,
fief10,
fife10,
teff10,
tiff10,
tuff10,
efts7,
feis7,
fest7,
fets7,
feus7,
fist7,
fits7,
fuse7,
fust7,
seif7,
sift7,
tefs7,
etui4,
site4,
stie4,
suet4,
suit4,
ties4,
tuis4,
utes4,
utis4,
3 letter words:
eff9,
iff9,
efs6,
eft6,
fes6,
fet6,
feu6,
fie6,
fit6,
ifs6,
sif6,
tef6,
est3,
its3,
sei3,
set3,
sit3,
sue3,
sui3,
tes3,
tie3,
tis3,
tui3,
use3,
ute3,
uts3,
2 letter words:
ef5,
fe5,
if5,
es2,
et2,
is2,
it2,
si2,
st2,
te2,
ti2,
us2,
ut2,