4 letter words:
braw9,
brow9,
prow9,
warp9,
wrap9,
poop8,
prop8,
boar6,
boor6,
bora6,
broo6,
poor6,
prao6,
proa6,
3 letter words:
bow8,
paw8,
pow8,
wab8,
wap8,
wop8,
app7,
bap7,
bop7,
pap7,
pop7,
raw6,
row6,
war6,
woo6,
abo5,
apo5,
arb5,
bar5,
boa5,
boo5,
bra5,
bro5,
oba5,
orb5,
par5,
poo5,
pro5,
rap5,
rob5,
oar3,
ora3,
2 letter words:
aw5,
ow5,
wo5,
ab4,
ba4,
bo4,
op4,
pa4,
ar2,
or2,