9 letter words:
fireboxes21,
7 letter words:
firebox19,
refixes17,
frisbee12,
6 letter words:
fixers16,
foxier16,
boxers15,
boxier15,
ibexes15,
sexier13,
before11,
briefs11,
fibers11,
fibres11,
frisee9,
ribose8,
soiree6,
5 letter words:
fixer15,
fixes15,
foxes15,
refix15,
boxer14,
boxes14,
rexes12,
beefs10,
brief10,
feebs10,
fiber10,
fibre10,
forbs10,
feres8,
fires8,
fores8,
frees8,
fries8,
frise8,
froes8,
reefs8,
reifs8,
serif8,
beers7,
biers7,
biros7,
birse7,
bores7,
brees7,
bries7,
brios7,
brose7,
obese7,
ribes7,
robes7,
sober7,
erose5,
osier5,
siree5,
4 letter words:
ibex13,
exes11,
oxes11,
beef9,
feeb9,
fibs9,
fobs9,
forb9,
fees7,
fere7,
fire7,
firs7,
foes7,
fore7,
free7,
froe7,
reef7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
beer6,
bees6,
bier6,
bios6,
biro6,
bise6,
bore6,
bree6,
brie6,
brio6,
bris6,
bros6,
obes6,
obis6,
orbs6,
rebs6,
ribs6,
robe6,
robs6,
sorb6,
eros4,
ires4,
ores4,
rees4,
reis4,
rise4,
roes4,
rose4,
seer4,
sere4,
sire4,
sore4,
sori4,
3 letter words:
fix13,
fox13,
box12,
rex10,
sex10,
six10,
sox10,
xis10,
fib8,
fob8,
efs6,
fee6,
fer6,
fes6,
fie6,
fir6,
foe6,
for6,
fro6,
ifs6,
ref6,
rif6,
bee5,
bes5,
bio5,
bis5,
bos5,
bro5,
obe5,
obi5,
orb5,
reb5,
rib5,
rob5,
sib5,
sob5,
ere3,
ers3,
ire3,
oes3,
ore3,
ors3,
ose3,
ree3,
rei3,
res3,
roe3,
see3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
ex9,
ox9,
xi9,
ef5,
fe5,
if5,
of5,
be4,
bi4,
bo4,
er2,
es2,
is2,
oe2,
oi2,
or2,
os2,
re2,
si2,
so2,