5 letter words:
proof10,
furor8,
poori7,
prior7,
4 letter words:
pfui9,
poof9,
pouf9,
prof9,
four7,
roof7,
poor6,
pour6,
puri6,
purr6,
roup6,
3 letter words:
fop8,
fir6,
for6,
fou6,
fro6,
fur6,
rif6,
piu5,
poi5,
poo5,
pro5,
pur5,
rip5,
upo5,
urp5,
our3,
2 letter words:
if5,
of5,
op4,
pi4,
up4,
oi2,
or2,