6 letter words:
purins8,
unrips8,
5 letter words:
pirns7,
purin7,
puris7,
sirup7,
spurn7,
unrip7,
ruins5,
4 letter words:
nips6,
pins6,
pirn6,
puns6,
puri6,
purs6,
rips6,
snip6,
spin6,
spun6,
spur6,
urps6,
rins4,
ruin4,
runs4,
urns4,
3 letter words:
nip5,
pin5,
pis5,
piu5,
psi5,
pun5,
pur5,
pus5,
rip5,
sip5,
sup5,
ups5,
urp5,
ins3,
nus3,
rin3,
run3,
sin3,
sir3,
sri3,
sun3,
uns3,
urn3,
2 letter words:
pi4,
up4,
in2,
is2,
nu2,
si2,
un2,
us2,
