9 letter words:
prongbuck20,
6 letter words:
uncork12,
coburg11,
progun9,
5 letter words:
brock13,
bucko13,
bunko11,
cronk11,
konbu11,
pronk11,
bronc9,
bunco9,
courb9,
croup9,
korun9,
bourg8,
brung8,
group8,
prong8,
bourn7,
cornu7,
4 letter words:
bock12,
buck12,
pock12,
puck12,
guck11,
bonk10,
bork10,
bouk10,
bunk10,
burk10,
conk10,
cork10,
knob10,
knop10,
knub10,
nock10,
ponk10,
pork10,
pouk10,
punk10,
rock10,
ruck10,
gonk9,
gouk9,
grok9,
gunk9,
burp8,
coup8,
crop8,
curb8,
knur8,
koru8,
nork8,
prob8,
bong7,
brog7,
bung7,
burg7,
crog7,
gorp7,
grub7,
pong7,
prog7,
pung7,
upgo7,
born6,
boun6,
burn6,
corn6,
cour6,
curn6,
noup6,
porn6,
pour6,
roup6,
unco6,
upon6,
gurn5,
rong5,
rung5,
ourn4,
3 letter words:
bok9,
kob9,
kop9,
bop7,
cob7,
cop7,
cub7,
cup7,
kon7,
kor7,
ouk7,
pub7,
rok7,
bog6,
bug6,
cog6,
gob6,
gub6,
gup6,
pug6,
bon5,
bor5,
bro5,
bru5,
bun5,
bur5,
con5,
cor5,
cru5,
cur5,
nob5,
nub5,
orb5,
orc5,
oup5,
pro5,
pun5,
pur5,
rob5,
roc5,
rub5,
ruc5,
upo5,
urb5,
urp5,
gnu4,
gon4,
gor4,
gun4,
gur4,
nog4,
rug4,
nor3,
nur3,
our3,
run3,
urn3,
2 letter words:
ko6,
bo4,
ob4,
op4,
po4,
up4,
go3,
gu3,
ug3,
no2,
nu2,
on2,
or2,
ou2,
un2,
ur2,