5 letter words:
sprug8,
spurt7,
turps7,
trugs6,
4 letter words:
pups8,
gups7,
pugs7,
spug7,
purs6,
puts6,
spur6,
tups6,
urps6,
gurs5,
gust5,
guts5,
rugs5,
trug5,
tugs5,
rust4,
ruts4,
3 letter words:
pup7,
gup6,
pug6,
pst5,
pur5,
pus5,
put5,
sup5,
tup5,
ups5,
urp5,
gur4,
gus4,
gut4,
rug4,
tug4,
ugs4,
rut3,
sur3,
uts3,
2 letter words:
up4,
gu3,
ug3,
st2,
ur2,
us2,
ut2,