5 letter words:
getup8,
unpeg8,
genet6,
tenge6,
4 letter words:
pfft12,
puff12,
guff11,
teff10,
tuff10,
enuf7,
feet7,
fete7,
pung7,
neep6,
peen6,
pent6,
punt6,
gene5,
gent5,
genu5,
tung5,
teen4,
tune4,
3 letter words:
eff9,
fug7,
eft6,
fee6,
fen6,
fet6,
feu6,
fun6,
peg6,
pug6,
pee5,
pen5,
pet5,
pun5,
put5,
tup5,
eng4,
gee4,
gen4,
get4,
gnu4,
gun4,
gut4,
neg4,
teg4,
tug4,
nee3,
net3,
nut3,
tee3,
ten3,
tun3,
ute3,
2 letter words:
ef5,
fe5,
pe4,
up4,
en2,
et2,
ne2,
nu2,
un2,
ut2,