9 letter words:
overbrief17,
8 letter words:
overrife14,
7 letter words:
forever13,
brevier12,
briefer12,
6 letter words:
fervor12,
before11,
reverb11,
refire9,
reiver9,
riever9,
verier9,
orbier8,
rebore8,
5 letter words:
fever11,
fiver11,
bevor10,
breve10,
brief10,
fiber10,
fibre10,
firer8,
freer8,
frere8,
frier8,
frore8,
refer8,
reive8,
rifer8,
river8,
rover8,
vireo8,
borer7,
brier7,
4 letter words:
five10,
beef9,
feeb9,
forb9,
verb9,
vibe9,
ever7,
fere7,
fire7,
fore7,
free7,
froe7,
over7,
reef7,
reif7,
rife7,
rive7,
rove7,
veer7,
vier7,
beer6,
bier6,
biro6,
birr6,
bore6,
bree6,
brie6,
brio6,
robe6,
3 letter words:
fib8,
fob8,
eve6,
fee6,
fer6,
fie6,
fir6,
foe6,
for6,
fro6,
ref6,
rev6,
rif6,
vee6,
vie6,
voe6,
bee5,
bio5,
bro5,
brr5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
ere3,
err3,
ire3,
ore3,
ree3,
rei3,
roe3,
2 letter words:
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
er2,
oe2,
oi2,
or2,
re2,