5 letter words:
probe9,
rebop9,
boner7,
borne7,
prone7,
4 letter words:
bone6,
bore6,
born6,
bren6,
ebon6,
nope6,
open6,
peon6,
pone6,
pore6,
porn6,
repo6,
robe6,
rope6,
3 letter words:
bop7,
ben5,
bro5,
neb5,
nob5,
obe5,
ope5,
orb5,
pen5,
per5,
pro5,
reb5,
rep5,
rob5,
eon3,
ern3,
nor3,
one3,
ore3,
roe3,
2 letter words:
be4,
bo4,
op4,
pe4,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,