6 letter words:
uncork12,
5 letter words:
knock15,
croup9,
korun9,
cornu7,
4 letter words:
konk12,
pock12,
puck12,
conk10,
cork10,
knop10,
nock10,
pork10,
punk10,
rock10,
ruck10,
coup8,
crop8,
knur8,
kuru8,
corn6,
curn6,
porn6,
pour6,
roup6,
unco6,
upon6,
3 letter words:
kop9,
cop7,
cup7,
kor7,
con5,
cor5,
cru5,
cur5,
orc5,
pro5,
pun5,
pur5,
roc5,
upo5,
urp5,
nor3,
our3,
run3,
urn3,
2 letter words:
op4,
up4,
no2,
nu2,
on2,
or2,
un2,