5 letter words:
puris7,
sirup7,
4 letter words:
pirs6,
puir6,
puri6,
purs6,
rips6,
risp6,
spur6,
urps6,
3 letter words:
pir5,
pis5,
piu5,
psi5,
pur5,
pus5,
rip5,
sip5,
sup5,
ups5,
urp5,
sir3,
sri3,
sui3,
sur3,
2 letter words:
pi4,
up4,
is2,
si2,
ur2,
us2,