4 letter words:
jouk15,
jour11,
bork10,
bouk10,
burk10,
pork10,
pouk10,
burp8,
koru8,
prob8,
pour6,
roup6,
3 letter words:
job12,
jor10,
bok9,
kob9,
kop9,
bop7,
kor7,
ouk7,
pub7,
rok7,
bor5,
bro5,
bru5,
bur5,
orb5,
oup5,
pro5,
pur5,
rob5,
rub5,
upo5,
urb5,
urp5,
our3,
2 letter words:
jo9,
ko6,
bo4,
ob4,
op4,
po4,
up4,
or2,
ou2,
ur2,