6 letter words:
abrupt10,
5 letter words:
fubar10,
pruta7,
tubar7,
4 letter words:
baft9,
barf9,
frab9,
frap9,
bapu8,
barp8,
burp8,
fart7,
faur7,
faut7,
frat7,
frau7,
raft7,
tufa7,
turf7,
abut6,
baur6,
brat6,
brut6,
buat6,
bura6,
part6,
patu6,
prat6,
prau6,
rapt6,
tabu6,
tapu6,
tarp6,
trap6,
tuba6,
upta6,
ratu4,
3 letter words:
fab8,
fap8,
fub8,
bap7,
pub7,
aft6,
arf6,
auf6,
far6,
fat6,
fra6,
fur6,
apt5,
arb5,
bar5,
bat5,
bra5,
bru5,
bur5,
but5,
par5,
pat5,
pur5,
put5,
rap5,
rub5,
tab5,
tap5,
tub5,
tup5,
urb5,
urp5,
art3,
rat3,
rut3,
tar3,
tau3,
uta3,
2 letter words:
fa5,
ab4,
ba4,
pa4,
up4,
ar2,
at2,
ta2,
ur2,
ut2,