5 letter words:
cornu7,
4 letter words:
crog7,
corn6,
cour6,
curn6,
unco6,
gurn5,
rong5,
rung5,
ourn4,
3 letter words:
cog6,
con5,
cor5,
cru5,
cur5,
orc5,
roc5,
ruc5,
gnu4,
gon4,
gor4,
gun4,
gur4,
nog4,
rug4,
nor3,
nur3,
our3,
run3,
urn3,
2 letter words:
go3,
gu3,
ug3,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,