6 letter words:
confix18,
4 letter words:
coif9,
conf9,
fico9,
foci9,
fino7,
foin7,
info7,
cion6,
coin6,
coni6,
icon6,
3 letter words:
fix13,
fox13,
cox12,
nix10,
nox10,
fin6,
fon6,
con5,
ion3,
2 letter words:
ox9,
xi9,
if5,
of5,
in2,
io2,
no2,
oi2,
on2,