6 letter words:
fusion9,
5 letter words:
unify11,
finos8,
foins8,
infos8,
noisy8,
yonis8,
4 letter words:
foys10,
fino7,
fins7,
foin7,
fons7,
funs7,
info7,
nosy7,
yins7,
yoni7,
yous7,
ions4,
nous4,
onus4,
3 letter words:
foy9,
fin6,
fon6,
fou6,
fun6,
ifs6,
soy6,
syn6,
yin6,
yon6,
you6,
ins3,
ion3,
nos3,
nus3,
ons3,
sin3,
son3,
sou3,
sun3,
uns3,
2 letter words:
if5,
of5,
oy5,
yo5,
in2,
is2,
no2,
nu2,
oi2,
on2,
os2,
si2,
so2,
un2,
us2,