6 letter words:
sprung9,
5 letter words:
pungs8,
sprug8,
spurn7,
rungs6,
4 letter words:
pugs7,
pung7,
puns6,
purs6,
spun6,
spur6,
urps6,
gnus5,
guns5,
rugs5,
rung5,
snug5,
sung5,
runs4,
urns4,
3 letter words:
pug6,
pun5,
pur5,
pus5,
sup5,
ups5,
urp5,
gnu4,
gun4,
rug4,
nus3,
run3,
sun3,
uns3,
urn3,
2 letter words:
up4,
nu2,
un2,
us2,