5 letter words:
yonic10,
4 letter words:
coif9,
conf9,
cony9,
fico9,
foci9,
fino7,
foin7,
info7,
yoni7,
cion6,
coin6,
coni6,
icon6,
3 letter words:
foy9,
coy8,
icy8,
fin6,
fon6,
noy6,
ony6,
yin6,
yon6,
con5,
ion3,
2 letter words:
fy8,
if5,
ny5,
of5,
oy5,
yo5,
in2,
io2,
no2,
oi2,
on2,