4 letter words:
wowf13,
gowf11,
woof10,
coif9,
coof9,
fico9,
foci9,
figo8,
goof8,
3 letter words:
wof9,
wow9,
cow8,
fig7,
fog7,
gif7,
wig7,
wog7,
cig6,
cog6,
iwi6,
oof6,
woo6,
coo5,
gio4,
goo4,
2 letter words:
if5,
of5,
ow5,
wo5,
gi3,
go3,
io2,
oi2,
oo2,