4 letter words:
coff12,
meff12,
woof10,
coof9,
meow9,
mofo9,
come8,
coom8,
3 letter words:
cwm10,
eff9,
few9,
off9,
wof9,
cow8,
fem8,
mew8,
mow8,
wem8,
moc7,
foe6,
oof6,
owe6,
woe6,
woo6,
coo5,
eco5,
emo5,
moe5,
moo5,
oom5,
2 letter words:
ef5,
fe5,
of5,
ow5,
we5,
wo5,
em4,
me4,
mo4,
om4,
oe2,
oo2,