7 letter words:
efforce15,
6 letter words:
coffee14,
coffer14,
5 letter words:
offer11,
reffo11,
force10,
4 letter words:
coff12,
corf9,
feer7,
fere7,
fore7,
free7,
froe7,
orfe7,
reef7,
cere6,
cero6,
core6,
cree6,
3 letter words:
eff9,
off9,
erf6,
fee6,
fer6,
foe6,
for6,
fro6,
orf6,
ref6,
cee5,
cor5,
eco5,
orc5,
rec5,
roc5,
ere3,
ore3,
ree3,
reo3,
roe3,
2 letter words:
ef5,
fe5,
of5,
ee2,
er2,
oe2,
or2,
re2,
