9 letter words:
congruing13,
7 letter words:
corning10,
couring10,
groning9,
gurning9,
roguing9,
rouging9,
unicorn9,
grunion8,
6 letter words:
coning9,
coring9,
curing9,
goring8,
gringo8,
gruing8,
noggin8,
nuncio8,
urging8,
urning7,
5 letter words:
coign8,
corgi8,
cuing8,
incog8,
orgic8,
conin7,
corni7,
cornu7,
curio7,
going7,
incur7,
oggin7,
orcin7,
runic7,
giron6,
groin6,
guiro6,
ruing6,
unrig6,
inrun5,
inurn5,
ronin5,
union5,
4 letter words:
crog7,
cion6,
coin6,
coir6,
coni6,
conn6,
corn6,
cour6,
curn6,
ging6,
gong6,
grig6,
grog6,
gung6,
icon6,
nogg6,
rigg6,
unci6,
unco6,
uric6,
ginn5,
girn5,
giro5,
gori5,
grin5,
gurn5,
ingo5,
nong5,
ring5,
rong5,
rung5,
inro4,
iron4,
noir4,
noni4,
nori4,
noun4,
ourn4,
roin4,
ruin4,
3 letter words:
cig6,
cog6,
con5,
cor5,
cru5,
cur5,
gig5,
igg5,
orc5,
roc5,
ruc5,
gin4,
gio4,
gnu4,
gon4,
gor4,
gun4,
gur4,
nog4,
rig4,
rug4,
inn3,
ion3,
non3,
nor3,
nun3,
nur3,
our3,
rin3,
run3,
uni3,
urn3,
2 letter words:
gi3,
go3,
gu3,
ug3,
in2,
io2,
no2,
nu2,
oi2,
on2,
or2,
ou2,
un2,
ur2,