10 letter words:
prepuberty19,
7 letter words:
pretype14,
puberty14,
perturb11,
prerupt11,
6 letter words:
prebuy13,
preyer11,
rebury11,
retype11,
uberty11,
burpee10,
tuyere9,
berret8,
beurre8,
bruter8,
perter8,
repure8,
repute8,
ureter6,
5 letter words:
buppy14,
purpy12,
upbye12,
beery10,
berry10,
burry10,
buyer10,
peery10,
perry10,
pryer10,
purty10,
rebuy10,
ryper10,
upper9,
retry8,
terry8,
tryer8,
tuyer8,
beret7,
breer7,
brere7,
brute7,
buret7,
erupt7,
peter7,
petre7,
puree7,
purer7,
rebut7,
rupee7,
tuber7,
upter7,
truer5,
4 letter words:
typp11,
upby11,
brey9,
bury9,
byre9,
byte9,
prey9,
pyet9,
pyre9,
ruby9,
rype9,
tryp9,
type9,
ybet9,
beep8,
burp8,
peep8,
perp8,
prep8,
pube8,
repp8,
eery7,
eyer7,
eyre7,
trey7,
trye7,
tyee7,
tyer7,
tyre7,
yurt7,
beer6,
beet6,
bere6,
bete6,
bree6,
brer6,
brut6,
burr6,
bute6,
peer6,
pere6,
pert6,
pree6,
puer6,
pure6,
purr6,
rube6,
rurp6,
tube6,
rete4,
ruer4,
teer4,
tree4,
true4,
3 letter words:
bey8,
buy8,
bye8,
pry8,
puy8,
pye8,
yep8,
yup8,
pep7,
pub7,
pup7,
eye6,
rye6,
try6,
tye6,
uey6,
yet6,
bee5,
bet5,
brr5,
bru5,
bur5,
but5,
pee5,
per5,
pet5,
pre5,
pur5,
put5,
reb5,
rep5,
rub5,
tub5,
tup5,
urb5,
urp5,
ere3,
err3,
ree3,
ret3,
rue3,
rut3,
tee3,
ure3,
ute3,
2 letter words:
by7,
ye5,
yu5,
be4,
pe4,
up4,
ee2,
er2,
et2,
re2,
te2,
ur2,
ut2,