5 letter words:
afire8,
afore8,
feria8,
4 letter words:
afro7,
fair7,
fare7,
faro7,
fear7,
fiar7,
fier7,
fire7,
fora7,
fore7,
frae7,
froe7,
orfe7,
reif7,
rife7,
aero4,
3 letter words:
arf6,
erf6,
fae6,
far6,
fer6,
fie6,
fir6,
foe6,
for6,
fra6,
fro6,
oaf6,
orf6,
ref6,
rif6,
air3,
are3,
ear3,
era3,
ire3,
oar3,
ora3,
ore3,
rai3,
rei3,
reo3,
ria3,
roe3,
2 letter words:
ef5,
fa5,
fe5,
if5,
of5,
ae2,
ai2,
ar2,
ea2,
er2,
io2,
oe2,
oi2,
or2,
re2,