4 letter words:
friz16,
fuji14,
zori13,
pfui9,
pouf9,
prof9,
four7,
pour6,
puri6,
roup6,
3 letter words:
fiz15,
zip14,
fop8,
fir6,
for6,
fou6,
fro6,
fur6,
rif6,
piu5,
poi5,
pro5,
pur5,
rip5,
upo5,
urp5,
our3,
2 letter words:
jo9,
if5,
of5,
op4,
pi4,
up4,
oi2,
or2,