7 letter words:
abutter9,
6 letter words:
abrupt10,
upbear10,
upbeat10,
arbute8,
batter8,
battue8,
butter8,
patter8,
putter8,
tabret8,
tubate8,
uprate8,
uptear8,
tauter6,
5 letter words:
bepat9,
apert7,
apter7,
battu7,
beaut7,
betta7,
brute7,
buret7,
butte7,
erupt7,
pareu7,
pater7,
patte7,
peart7,
petar7,
prate7,
pratt7,
pruta7,
rebut7,
taber7,
taper7,
tapet7,
taube7,
taupe7,
trape7,
trapt7,
tubae7,
tubar7,
tuber7,
upter7,
arett5,
tater5,
tetra5,
treat5,
tuart5,
urate5,
utter5,
4 letter words:
bapu8,
barp8,
burp8,
peba8,
pube8,
abet6,
abut6,
aper6,
bare6,
bate6,
batt6,
baur6,
bear6,
beat6,
beau6,
beta6,
brae6,
brat6,
brut6,
buat6,
bura6,
bute6,
butt6,
pare6,
part6,
pate6,
patu6,
pear6,
peat6,
pert6,
prat6,
prau6,
puer6,
pure6,
putt6,
rape6,
rapt6,
reap6,
rube6,
tabu6,
tape6,
tapu6,
tarp6,
tepa6,
trap6,
tuba6,
tube6,
upta6,
aret4,
etat4,
rate4,
ratu4,
tare4,
tart4,
tate4,
tatu4,
taut4,
tear4,
teat4,
trat4,
tret4,
true4,
urea4,
3 letter words:
bap7,
pub7,
ape5,
apt5,
arb5,
bar5,
bat5,
bet5,
bra5,
bru5,
bur5,
but5,
par5,
pat5,
pea5,
per5,
pet5,
pre5,
pur5,
put5,
rap5,
reb5,
rep5,
rub5,
tab5,
tap5,
tub5,
tup5,
urb5,
urp5,
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:
ab4,
ba4,
be4,
pa4,
pe4,
up4,
ae2,
ar2,
at2,
ea2,
er2,
et2,
re2,
ta2,
te2,
ur2,
ut2,