6 letter words:
uncork12,
kronur10,
5 letter words:
korun9,
cornu7,
cruor7,
4 letter words:
guck11,
conk10,
cork10,
nock10,
rock10,
ruck10,
grok9,
gunk9,
knur8,
corn6,
curn6,
curr6,
unco6,
rung5,
3 letter words:
kor7,
cog6,
con5,
cor5,
cru5,
cur5,
orc5,
roc5,
gnu4,
gor4,
gun4,
nog4,
rug4,
nor3,
our3,
run3,
urn3,
2 letter words:
go3,
no2,
nu2,
on2,
or2,
un2,