5 letter words:
gopik12,
pirog8,
4 letter words:
firk11,
fork11,
pork10,
grok9,
prof9,
figo8,
frig8,
frog8,
gorp7,
grip7,
prig7,
prog7,
giro5,
gori5,
3 letter words:
kif10,
kip9,
kop9,
fop8,
fig7,
fog7,
gif7,
irk7,
kir7,
koi7,
kor7,
oik7,
rok7,
fir6,
for6,
fro6,
gip6,
orf6,
pig6,
rif6,
pir5,
poi5,
pro5,
rip5,
gio4,
gor4,
rig4,
2 letter words:
ki6,
ko6,
if5,
of5,
op4,
pi4,
po4,
gi3,
go3,
io2,
oi2,
or2,