5 letter words:
fubar10,
graft9,
4 letter words:
barf9,
frag8,
frug8,
brag7,
burg7,
fart7,
frat7,
garb7,
grab7,
grub7,
raft7,
tufa7,
turf7,
abut6,
brat6,
brut6,
bura6,
tabu6,
tuba6,
gaur5,
grat5,
guar5,
ruga5,
trug5,
3 letter words:
fab8,
fub8,
fag7,
fug7,
aft6,
arf6,
bag6,
bug6,
far6,
fat6,
fur6,
gab6,
arb5,
bar5,
bat5,
bra5,
bur5,
but5,
rub5,
tab5,
tub5,
urb5,
gar4,
gat4,
gut4,
rag4,
rug4,
tag4,
tug4,
art3,
rat3,
rut3,
tar3,
tau3,
uta3,
2 letter words:
fa5,
ab4,
ba4,
ag3,
ar2,
at2,
ta2,
ut2,