6 letter words:
unspar8,
5 letter words:
praus7,
punas7,
spurn7,
supra7,
upran7,
rauns5,
4 letter words:
naps6,
pans6,
pars6,
prau6,
puna6,
puns6,
purs6,
raps6,
rasp6,
snap6,
span6,
spar6,
spun6,
spur6,
upas6,
urps6,
anus4,
nurs4,
raun4,
runs4,
rusa4,
snar4,
sura4,
urns4,
ursa4,
3 letter words:
asp5,
nap5,
pan5,
par5,
pas5,
pun5,
pur5,
pus5,
rap5,
sap5,
spa5,
sup5,
ups5,
urp5,
ars3,
nas3,
nur3,
nus3,
ran3,
ras3,
run3,
san3,
sar3,
sau3,
sun3,
sur3,
uns3,
urn3,
2 letter words:
pa4,
up4,
an2,
ar2,
as2,
na2,
nu2,
un2,
ur2,
us2,