8 letter words:
prurient10,
7 letter words:
printer9,
purtier9,
reprint9,
repunit9,
unriper9,
runtier7,
6 letter words:
irrupt8,
nipter8,
pruine8,
pruner8,
pterin8,
puirer8,
punier8,
punter8,
purine8,
turnip8,
unripe8,
return6,
ruiner6,
triune6,
tunier6,
turner6,
uniter6,
5 letter words:
erupt7,
inept7,
input7,
nepit7,
piert7,
prent7,
prier7,
print7,
prune7,
prunt7,
purer7,
purin7,
repin7,
ripen7,
riper7,
tripe7,
unrip7,
upter7,
uptie7,
inert5,
inter5,
inure5,
niter5,
nitre5,
rerun5,
rutin5,
trier5,
trine5,
truer5,
tuner5,
unite5,
untie5,
urent5,
urine5,
urite5,
uteri5,
4 letter words:
pein6,
peni6,
pent6,
peri6,
pern6,
pert6,
pier6,
piet6,
pine6,
pint6,
pirn6,
ptui6,
puer6,
puir6,
punt6,
pure6,
puri6,
purr6,
ripe6,
ript6,
rurp6,
trip6,
etui4,
iure4,
nite4,
nurr4,
rein4,
rent4,
rine4,
rite4,
ruer4,
ruin4,
rune4,
runt4,
tern4,
tier4,
tine4,
tire4,
tirr4,
trie4,
trin4,
true4,
tune4,
turn4,
unit4,
3 letter words:
nep5,
nip5,
pen5,
per5,
pet5,
pie5,
pin5,
pir5,
pit5,
piu5,
pre5,
pun5,
pur5,
put5,
rep5,
rip5,
tip5,
tup5,
urp5,
ern3,
err3,
ire3,
net3,
nie3,
nit3,
nur3,
nut3,
rei3,
ren3,
ret3,
rin3,
rit3,
rue3,
run3,
rut3,
ten3,
tie3,
tin3,
tui3,
tun3,
uni3,
ure3,
urn3,
ute3,
2 letter words:
pe4,
pi4,
up4,
en2,
er2,
et2,
in2,
it2,
ne2,
nu2,
re2,
te2,
ti2,
un2,
ur2,
ut2,