9 letter words:
butterfat14,
7 letter words:
tartufe10,
abutter9,
6 letter words:
fatter9,
tufter9,
arbute8,
batter8,
battue8,
butter8,
tabret8,
tubate8,
tatter6,
tauter6,
5 letter words:
fubar10,
after8,
fetta8,
feuar8,
frate8,
trefa8,
battu7,
beaut7,
betta7,
brute7,
buret7,
butte7,
rebut7,
taber7,
taube7,
tubae7,
tubar7,
tuber7,
arett5,
tater5,
tetra5,
tratt5,
treat5,
tuart5,
urate5,
utter5,
4 letter words:
baft9,
barf9,
frab9,
fare7,
fart7,
fate7,
faur7,
faut7,
fear7,
feat7,
feta7,
fett7,
frae7,
frat7,
frau7,
fret7,
raft7,
reft7,
terf7,
tref7,
tufa7,
tuft7,
turf7,
abet6,
abut6,
bare6,
bate6,
batt6,
baur6,
bear6,
beat6,
beau6,
beta6,
brae6,
brat6,
brut6,
buat6,
bura6,
bute6,
butt6,
rube6,
tabu6,
tuba6,
tube6,
aret4,
etat4,
rate4,
ratu4,
tare4,
tart4,
tate4,
tatt4,
tatu4,
taut4,
tear4,
teat4,
trat4,
tret4,
true4,
urea4,
3 letter words:
fab8,
fub8,
aft6,
arf6,
auf6,
eft6,
erf6,
fae6,
far6,
fat6,
fer6,
fet6,
feu6,
fra6,
fur6,
ref6,
tef6,
arb5,
bar5,
bat5,
bet5,
bra5,
bru5,
bur5,
but5,
reb5,
rub5,
tab5,
tub5,
urb5,
are3,
art3,
ate3,
att3,
aue3,
ear3,
eat3,
eau3,
era3,
eta3,
rat3,
ret3,
rue3,
rut3,
tae3,
tar3,
tat3,
tau3,
tea3,
tet3,
tut3,
ure3,
uta3,
ute3,
2 letter words:
ef5,
fa5,
fe5,
ab4,
ba4,
be4,
ae2,
ar2,
at2,
ea2,
er2,
et2,
re2,
ta2,
te2,
ur2,
ut2,