7 letter words:
forfend14,
6 letter words:
doffer13,
offend13,
fonder10,
5 letter words:
deffo12,
offed12,
offer11,
reffo11,
frond9,
freon8,
doner6,
drone6,
redon6,
ronde6,
4 letter words:
doff11,
fend8,
feod8,
fond8,
ford8,
fern7,
foen7,
fone7,
fore7,
froe7,
orfe7,
dern5,
dero5,
doen5,
doer5,
done5,
dore5,
nerd5,
node5,
redo5,
rend5,
rode5,
roed5,
oner4,
rone4,
3 letter words:
eff9,
off9,
def7,
dof7,
fed7,
erf6,
fen6,
fer6,
foe6,
fon6,
for6,
fro6,
nef6,
orf6,
ref6,
den4,
doe4,
don4,
dor4,
end4,
ned4,
nod4,
ode4,
ord4,
red4,
rod4,
eon3,
ern3,
nor3,
one3,
ore3,
ren3,
reo3,
roe3,
2 letter words:
ef5,
fe5,
of5,
de3,
do3,
ed3,
od3,
en2,
er2,
ne2,
no2,
oe2,
on2,
or2,
re2,
