8 letter words:
puffbird19,
5 letter words:
buffi13,
4 letter words:
biff12,
buff12,
puff12,
diff11,
duff11,
riff10,
ruff10,
frib9,
pfui9,
burp8,
bird7,
budi7,
burd7,
drib7,
drip7,
drub7,
puir6,
puri6,
3 letter words:
iff9,
fib8,
fub8,
dif7,
fid7,
fud7,
pub7,
bid6,
bud6,
dib6,
dip6,
dub6,
dup6,
fir6,
fur6,
pud6,
rif6,
bru5,
bur5,
pir5,
piu5,
pur5,
rib5,
rip5,
rub5,
urb5,
urp5,
dui4,
rid4,
rud4,
urd4,
2 letter words:
if5,
bi4,
pi4,
up4,
di3,
id3,
ur2,
