6 letter words:
funest9,
unstep8,
upsent8,
5 letter words:
fents8,
fetus8,
pents7,
punts7,
setup7,
spent7,
stupe7,
upset7,
suent5,
tunes5,
unset5,
4 letter words:
efts7,
enuf7,
fens7,
fent7,
fest7,
fets7,
feus7,
funs7,
fuse7,
fust7,
nefs7,
tefs7,
neps6,
pens6,
pent6,
pest6,
pets6,
puns6,
punt6,
puts6,
sept6,
spet6,
spue6,
spun6,
step6,
supe6,
tups6,
nest4,
nets4,
nuts4,
sent4,
sten4,
stun4,
suet4,
tens4,
tune4,
tuns4,
utes4,
3 letter words:
efs6,
eft6,
fen6,
fes6,
fet6,
feu6,
fun6,
nef6,
tef6,
nep5,
pen5,
pes5,
pet5,
pst5,
pun5,
pus5,
put5,
sup5,
tup5,
ups5,
ens3,
est3,
net3,
nus3,
nut3,
sen3,
set3,
sue3,
sun3,
ten3,
tes3,
tun3,
uns3,
use3,
ute3,
uts3,
2 letter words:
ef5,
fe5,
pe4,
up4,
en2,
es2,
et2,
ne2,
nu2,
st2,
te2,
un2,
us2,
ut2,