5 letter words:
brief10,
fiber10,
fibre10,
grief9,
afire8,
barge8,
feria8,
giber8,
4 letter words:
barf9,
frag8,
frig8,
berg7,
brag7,
brig7,
fair7,
fare7,
fear7,
fiar7,
fire7,
frae7,
garb7,
gibe7,
grab7,
reif7,
rife7,
abri6,
bare6,
bear6,
bier6,
brae6,
brie6,
ager5,
gear5,
rage5,
ragi5,
3 letter words:
fab8,
fib8,
fag7,
fig7,
arf6,
bag6,
beg6,
big6,
far6,
fer6,
fie6,
fir6,
gab6,
gib6,
ref6,
rif6,
arb5,
bar5,
bra5,
reb5,
rib5,
age4,
erg4,
gae4,
gar4,
gie4,
rag4,
reg4,
rig4,
air3,
are3,
ear3,
era3,
ire3,
rai3,
rei3,
ria3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ab4,
ba4,
be4,
bi4,
ag3,
ae2,
ai2,
ar2,
er2,
re2,