6 letter words:
roofie9,
5 letter words:
brief10,
fiber10,
fibre10,
proof10,
probe9,
rebop9,
oribi7,
poori7,
oorie5,
4 letter words:
forb9,
poof9,
prof9,
fire7,
fore7,
froe7,
reif7,
rife7,
roof7,
bier6,
biro6,
boor6,
bore6,
brie6,
brio6,
broo6,
oboe6,
peri6,
pier6,
poor6,
pore6,
repo6,
ripe6,
robe6,
rope6,
3 letter words:
fib8,
fob8,
fop8,
bop7,
fer6,
fie6,
fir6,
foe6,
for6,
fro6,
ref6,
rif6,
bio5,
boo5,
bro5,
obe5,
obi5,
ope5,
orb5,
per5,
pie5,
poi5,
poo5,
pro5,
reb5,
rep5,
rib5,
rip5,
rob5,
ire3,
ore3,
rei3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
op4,
pe4,
pi4,
er2,
oe2,
oi2,
or2,
re2,