5 letter words:
probe9,
rebop9,
opera7,
pareo7,
4 letter words:
aper6,
bare6,
bear6,
boar6,
bora6,
bore6,
brae6,
pare6,
pear6,
pore6,
prao6,
proa6,
rape6,
reap6,
repo6,
robe6,
rope6,
aero4,
3 letter words:
bap7,
bop7,
abo5,
ape5,
apo5,
arb5,
bar5,
boa5,
bra5,
bro5,
oba5,
obe5,
ope5,
orb5,
par5,
pea5,
per5,
pro5,
rap5,
reb5,
rep5,
rob5,
are3,
ear3,
era3,
oar3,
ora3,
ore3,
roe3,
2 letter words:
ab4,
ba4,
be4,
bo4,
op4,
pa4,
pe4,
ae2,
ar2,
er2,
oe2,
or2,
re2,