9 letter words:
uprooting12,
8 letter words:
trooping11,
trouping11,
7 letter words:
ingroup10,
porting10,
pouring10,
pouting10,
rouping10,
portion9,
outgrin8,
outring8,
rooting8,
routing8,
touring8,
6 letter words:
opting9,
pignut9,
pigout9,
pooing9,
poring9,
progun9,
roping9,
toping9,
upgirt9,
urping9,
inpour8,
option8,
potion8,
pronto8,
proton8,
tropin8,
turnip8,
uproot8,
uptorn8,
outing7,
outrig7,
trigon7,
trogon7,
truing7,
ungirt7,
turion6,
unroot6,
5 letter words:
gipon8,
gript8,
group8,
oping8,
pingo8,
pirog8,
prong8,
input7,
orpin7,
pinot7,
pinto7,
piton7,
point7,
poori7,
porno7,
print7,
prion7,
punto7,
purin7,
puton7,
topoi7,
troop7,
unrip7,
giron6,
griot6,
groin6,
grout6,
grunt6,
guiro6,
ingot6,
outgo6,
ruing6,
tigon6,
trigo6,
ungot6,
unrig6,
intro5,
nitro5,
rutin5,
4 letter words:
goop7,
gorp7,
grip7,
ping7,
pong7,
prig7,
prog7,
pung7,
pint6,
pion6,
pirn6,
poon6,
poor6,
porn6,
port6,
pour6,
pout6,
ptui6,
punt6,
puri6,
roup6,
topi6,
topo6,
trip6,
trop6,
upon6,
girn5,
giro5,
girt5,
goon5,
gout5,
grin5,
grit5,
grot5,
ring5,
rung5,
ting5,
tong5,
trig5,
trog5,
trug5,
tung5,
inro4,
into4,
iron4,
noir4,
nori4,
onto4,
riot4,
root4,
roti4,
roto4,
rout4,
ruin4,
runt4,
tiro4,
toon4,
tori4,
torn4,
toro4,
tour4,
trio4,
turn4,
unit4,
unto4,
3 letter words:
gip6,
pig6,
pug6,
nip5,
opt5,
pin5,
pit5,
piu5,
poi5,
poo5,
pot5,
pro5,
pun5,
pur5,
put5,
rip5,
tip5,
top5,
tup5,
upo5,
urp5,
gin4,
git4,
gnu4,
goo4,
gor4,
got4,
gun4,
gut4,
nog4,
rig4,
rug4,
tog4,
tug4,
ion3,
nit3,
noo3,
nor3,
not3,
nut3,
ono3,
oot3,
ort3,
our3,
out3,
rin3,
rot3,
run3,
rut3,
tin3,
ton3,
too3,
tor3,
tui3,
tun3,
urn3,
2 letter words:
op4,
pi4,
up4,
go3,
in2,
it2,
no2,
nu2,
oi2,
on2,
or2,
ti2,
to2,
un2,
ut2,
