5 letter words:
furor8,
prior7,
4 letter words:
pfui9,
pouf9,
prof9,
four7,
furr7,
pour6,
puir6,
puri6,
purr6,
roup6,
rurp6,
3 letter words:
fop8,
fir6,
for6,
fou6,
fro6,
fur6,
orf6,
rif6,
ufo6,
oup5,
pir5,
piu5,
poi5,
pro5,
pur5,
rip5,
upo5,
urp5,
our3,
2 letter words:
if5,
of5,
op4,
pi4,
po4,
up4,
io2,
oi2,
or2,
ou2,
ur2,