6 letter words:
prober10,
upbore10,
pourer8,
repour8,
5 letter words:
juror12,
probe9,
rebop9,
borer7,
burro7,
purer7,
repro7,
roper7,
4 letter words:
prez15,
zebu15,
jube13,
jupe13,
zero13,
burp8,
bore6,
burr6,
pore6,
pour6,
pure6,
purr6,
repo6,
robe6,
rope6,
roup6,
rube6,
euro4,
roue4,
ruer4,
3 letter words:
zep14,
job12,
jeu10,
joe10,
bop7,
pub7,
bro5,
brr5,
bur5,
obe5,
ope5,
orb5,
per5,
pro5,
pur5,
reb5,
rep5,
rob5,
rub5,
upo5,
urb5,
urp5,
err3,
ore3,
our3,
roe3,
rue3,
2 letter words:
jo9,
be4,
bo4,
op4,
pe4,
up4,
er2,
oe2,
or2,
re2,