5 letter words:
boofy13,
forby13,
roofy11,
fibro10,
4 letter words:
boyf12,
oofy10,
yoof10,
boyo9,
forb9,
frib9,
orby9,
roof7,
biro6,
boor6,
brio6,
broo6,
3 letter words:
foy9,
fry9,
boy8,
fib8,
fob8,
yob8,
fir6,
for6,
fro6,
oof6,
orf6,
rif6,
bio5,
boi5,
boo5,
bor5,
bro5,
obi5,
obo5,
orb5,
rib5,
rob5,
oor3,
roo3,
2 letter words:
fy8,
by7,
if5,
of5,
oy5,
yo5,
bi4,
bo4,
ob4,
io2,
oi2,
oo2,
or2,