5 letter words:
borak11,
burka11,
koura9,
4 letter words:
bark10,
bauk10,
boak10,
bork10,
bouk10,
brak10,
burk10,
kbar10,
krab10,
karo8,
kora8,
koru8,
okra8,
raku8,
baur6,
boar6,
bora6,
bura6,
urao4,
3 letter words:
bok9,
kab9,
kob9,
ark7,
auk7,
koa7,
kor7,
oak7,
oka7,
ouk7,
rok7,
abo5,
arb5,
bar5,
boa5,
bor5,
bra5,
bro5,
bru5,
bur5,
oba5,
orb5,
rob5,
rub5,
urb5,
oar3,
ora3,
our3,
2 letter words:
ka6,
ko6,
ab4,
ba4,
bo4,
ob4,
ar2,
or2,
ou2,
ur2,