7 letter words:
rapping12,
6 letter words:
upping11,
paring9,
raping9,
urping9,
5 letter words:
pinup9,
aping8,
prang8,
purin7,
unrip7,
garni6,
grain6,
ruing6,
unrig6,
nairu5,
4 letter words:
pupa8,
grip7,
pang7,
ping7,
prig7,
pung7,
nipa6,
pain6,
pair6,
pian6,
pina6,
pirn6,
prau6,
puna6,
puri6,
agin5,
gain5,
gaun5,
gaur5,
girn5,
gnar5,
gran5,
grin5,
guan5,
guar5,
ragi5,
rang5,
ring5,
ruga5,
rung5,
airn4,
rain4,
rani4,
ruin4,
unai4,
3 letter words:
app7,
pap7,
pip7,
pup7,
gap6,
gip6,
pig6,
pug6,
nap5,
nip5,
pan5,
par5,
pia5,
pin5,
piu5,
pun5,
pur5,
rap5,
rip5,
urp5,
gan4,
gar4,
gin4,
gnu4,
gun4,
nag4,
rag4,
rig4,
rug4,
ain3,
air3,
ani3,
rai3,
ran3,
ria3,
rin3,
run3,
urn3,
2 letter words:
pa4,
pi4,
up4,
ag3,
ai2,
an2,
ar2,
in2,
na2,
nu2,
un2,