6 letter words:
offers12,
reffos12,
freons9,
5 letter words:
offer11,
reffo11,
ferns8,
fores8,
freon8,
froes8,
frons8,
orfes8,
noser5,
oners5,
rones5,
senor5,
seron5,
snore5,
4 letter words:
effs10,
offs10,
fens7,
fern7,
foen7,
foes7,
fone7,
fons7,
fore7,
froe7,
fros7,
nefs7,
orfe7,
orfs7,
refs7,
serf7,
eons4,
erns4,
eros4,
noes4,
nose4,
oner4,
ones4,
ores4,
rens4,
reos4,
roes4,
rone4,
rose4,
sone4,
sore4,
sorn4,
3 letter words:
eff9,
off9,
efs6,
erf6,
fen6,
fer6,
fes6,
foe6,
fon6,
for6,
fro6,
nef6,
orf6,
ref6,
ens3,
eon3,
ern3,
ers3,
nor3,
nos3,
oes3,
one3,
ons3,
ore3,
ors3,
ose3,
ren3,
reo3,
res3,
roe3,
sen3,
ser3,
son3,
2 letter words:
ef5,
fe5,
of5,
en2,
er2,
es2,
ne2,
no2,
oe2,
on2,
or2,
os2,
re2,
so2,