6 letter words:
abrupt10,
parura8,
5 letter words:
apart7,
pruta7,
rabat7,
aurar5,
4 letter words:
burp8,
abut6,
atap6,
brat6,
brut6,
bura6,
burr6,
para6,
parr6,
part6,
prat6,
prau6,
purr6,
rapt6,
tabu6,
tapa6,
tarp6,
trap6,
tuba6,
aura4,
3 letter words:
bap7,
pub7,
aba5,
apt5,
arb5,
baa5,
bar5,
bat5,
bra5,
brr5,
bur5,
but5,
par5,
pat5,
pur5,
put5,
rap5,
rub5,
tab5,
tap5,
tub5,
tup5,
urb5,
urp5,
art3,
rat3,
rut3,
tar3,
tau3,
uta3,
2 letter words:
ab4,
ba4,
pa4,
up4,
aa2,
ar2,
at2,
ta2,
ut2,