7 letter words:
unsharp12,
6 letter words:
prahus11,
5 letter words:
harps10,
prahu10,
sharp10,
sharn8,
surah8,
praus7,
punas7,
spurn7,
supra7,
4 letter words:
haps9,
harp9,
hasp9,
pash9,
push9,
huns7,
rash7,
rhus7,
rush7,
shun7,
naps6,
pans6,
pars6,
prau6,
puna6,
puns6,
purs6,
raps6,
rasp6,
snap6,
span6,
spar6,
spun6,
spur6,
upas6,
urps6,
anus4,
runs4,
sura4,
urns4,
ursa4,
3 letter words:
hap8,
hup8,
pah8,
ahs6,
ash6,
has6,
hun6,
nah6,
rah6,
sha6,
asp5,
nap5,
pan5,
par5,
pas5,
pun5,
pur5,
pus5,
rap5,
sap5,
spa5,
sup5,
ups5,
urp5,
ars3,
nus3,
ran3,
ras3,
run3,
sau3,
sun3,
uns3,
urn3,
2 letter words:
ah5,
ha5,
sh5,
uh5,
pa4,
up4,
an2,
ar2,
as2,
na2,
nu2,
un2,
us2,
