5 letter words:
burka11,
kabar11,
fubar10,
4 letter words:
bark10,
kbar10,
barf9,
arak8,
raku8,
afar7,
bura6,
aura4,
3 letter words:
kaf10,
kab9,
fab8,
fub8,
ark7,
auk7,
arf6,
far6,
fur6,
aba5,
arb5,
baa5,
bar5,
bra5,
bur5,
rub5,
urb5,
2 letter words:
ka6,
fa5,
ab4,
ba4,
aa2,
ar2,