8 letter words:
conferee13,
7 letter words:
enforce12,
refence12,
6 letter words:
confer11,
fencer11,
enfree9,
encore8,
eocene8,
5 letter words:
fence10,
force10,
freon8,
cerne7,
crone7,
oncer7,
recon7,
4 letter words:
conf9,
corf9,
feen7,
feer7,
fere7,
fern7,
foen7,
fone7,
fore7,
free7,
froe7,
orfe7,
reef7,
cere6,
cero6,
cone6,
core6,
corn6,
cree6,
once6,
erne4,
oner4,
reen4,
rone4,
3 letter words:
erf6,
fee6,
fen6,
fer6,
foe6,
fon6,
for6,
fro6,
nef6,
orf6,
ref6,
cee5,
con5,
cor5,
eco5,
orc5,
rec5,
roc5,
een3,
ene3,
eon3,
ere3,
ern3,
nee3,
nor3,
one3,
ore3,
ree3,
ren3,
reo3,
roe3,
2 letter words:
ef5,
fe5,
of5,
ee2,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,
