5 letter words:
puffs13,
nuffs11,
snuff11,
4 letter words:
puff12,
effs10,
nuff10,
enuf7,
fens7,
feus7,
funs7,
fuse7,
nefs7,
neps6,
pens6,
puns6,
spue6,
spun6,
supe6,
3 letter words:
eff9,
efs6,
fen6,
fes6,
feu6,
fun6,
nef6,
nep5,
pen5,
pes5,
pun5,
pus5,
sup5,
ups5,
ens3,
nus3,
sen3,
sue3,
sun3,
uns3,
use3,
2 letter words:
ef5,
fe5,
pe4,
up4,
en2,
es2,
ne2,
nu2,
un2,
us2,