4 letter words:
woof10,
poof9,
pouf9,
goof8,
goop7,
3 letter words:
few9,
fop8,
pew8,
pow8,
wop8,
fog7,
fug7,
wog7,
feu6,
foe6,
fou6,
owe6,
peg6,
pug6,
woe6,
woo6,
ope5,
poo5,
upo5,
ego4,
goo4,
2 letter words:
ef5,
fe5,
of5,
ow5,
we5,
wo5,
op4,
pe4,
up4,
go3,
oe2,