6 letter words:
heifer12,
faerie9,
feriae9,
5 letter words:
afire8,
feria8,
feuar8,
hiree8,
aerie5,
aurei5,
uraei5,
4 letter words:
fair7,
fare7,
fear7,
fere7,
fiar7,
fire7,
frae7,
free7,
hair7,
hare7,
hear7,
heir7,
here7,
hire7,
reef7,
reif7,
rhea7,
rife7,
urea4,
3 letter words:
feh9,
ahi6,
arf6,
far6,
fee6,
fer6,
feu6,
fie6,
fir6,
fur6,
hae6,
her6,
hie6,
hue6,
rah6,
ref6,
rif6,
air3,
are3,
ear3,
eau3,
era3,
ere3,
ire3,
rai3,
ree3,
rei3,
ria3,
rue3,
2 letter words:
ah5,
ef5,
eh5,
fa5,
fe5,
ha5,
he5,
hi5,
if5,
uh5,
ae2,
ai2,
ar2,
er2,
re2,