7 letter words:
chiefer15,
6 letter words:
heifer12,
fierce11,
5 letter words:
chief13,
fiche13,
fifer11,
cheer10,
hiree8,
4 letter words:
chef12,
fief10,
fife10,
riff10,
eche9,
fice9,
rich9,
fere7,
fire7,
free7,
heir7,
here7,
hire7,
reef7,
reif7,
rife7,
cere6,
cire6,
rice6,
3 letter words:
eff9,
feh9,
iff9,
chi8,
hic8,
ich8,
fee6,
fer6,
fie6,
fir6,
her6,
hie6,
ref6,
rif6,
cee5,
ice5,
rec5,
ere3,
ire3,
ree3,
rei3,
2 letter words:
ef5,
eh5,
fe5,
he5,
hi5,
if5,
er2,
re2,