9 letter words:
unripping14,
7 letter words:
nipping12,
ripping12,
pruning10,
inuring8,
ruining8,
6 letter words:
piping11,
upping11,
pining9,
riping9,
urping9,
5 letter words:
pinup9,
piing8,
purin7,
unpin7,
unrip7,
iring6,
ruing6,
unrig6,
inrun5,
inurn5,
4 letter words:
grip7,
ping7,
prig7,
pung7,
pirn6,
puri6,
girn5,
grin5,
ring5,
rung5,
ruin4,
3 letter words:
pip7,
pup7,
gip6,
pig6,
pug6,
nip5,
pin5,
piu5,
pun5,
pur5,
rip5,
urp5,
gin4,
gnu4,
gun4,
rig4,
rug4,
inn3,
nun3,
rin3,
run3,
urn3,
2 letter words:
pi4,
up4,
in2,
nu2,
un2,