5 letter words:
barca9,
brung8,
buran7,
unbar7,
urban7,
grana6,
ruana5,
4 letter words:
carb8,
crab8,
curb8,
bang7,
brag7,
bung7,
burg7,
crag7,
garb7,
grab7,
grub7,
barn6,
bran6,
buna6,
bura6,
burn6,
carn6,
curn6,
narc6,
agar5,
anga5,
gaun5,
gaur5,
gnar5,
gran5,
guan5,
guar5,
raga5,
rang5,
ruga5,
rung5,
aura4,
3 letter words:
cab7,
cub7,
bag6,
bug6,
gab6,
aba5,
arb5,
arc5,
baa5,
ban5,
bar5,
bra5,
bun5,
bur5,
can5,
car5,
cru5,
cur5,
nab5,
nub5,
rub5,
urb5,
aga4,
gan4,
gar4,
gnu4,
gun4,
nag4,
rag4,
rug4,
ana3,
ran3,
run3,
urn3,
2 letter words:
ab4,
ba4,
ag3,
aa2,
an2,
ar2,
na2,
nu2,
un2,