4 letter words:
prow9,
warp9,
wrap9,
waur7,
pour6,
prao6,
prau6,
proa6,
roup6,
3 letter words:
paw8,
pow8,
wap8,
wop8,
raw6,
row6,
war6,
apo5,
par5,
pro5,
pur5,
rap5,
upo5,
urp5,
oar3,
ora3,
our3,
2 letter words:
aw5,
ow5,
wo5,
op4,
pa4,
up4,
ar2,
or2,