5 letter words:
forby13,
4 letter words:
boyo9,
forb9,
orby9,
roof7,
biro6,
boor6,
brio6,
broo6,
3 letter words:
foy9,
fry9,
boy8,
fib8,
fob8,
yob8,
fir6,
for6,
fro6,
rif6,
bio5,
boo5,
bro5,
obi5,
orb5,
rib5,
rob5,
2 letter words:
by7,
if5,
of5,
oy5,
yo5,
bi4,
bo4,
oi2,
or2,