5 letter words:
buran7,
unbar7,
urban7,
4 letter words:
buhr9,
habu9,
babu8,
barb8,
burb8,
barn6,
bran6,
buna6,
bura6,
burn6,
3 letter words:
bah8,
hub8,
bub7,
hun6,
nah6,
rah6,
arb5,
ban5,
bar5,
bra5,
bun5,
bur5,
nab5,
nub5,
rub5,
urb5,
ran3,
run3,
urn3,
2 letter words:
ah5,
ha5,
uh5,
ab4,
ba4,
an2,
ar2,
na2,
nu2,
un2,