6 letter words:
gonifs10,
5 letter words:
figos9,
gonif9,
finos8,
foins8,
infos8,
4 letter words:
figo8,
figs8,
fogs8,
fino7,
fins7,
foin7,
fons7,
info7,
gins5,
gios5,
gons5,
ingo5,
nogs5,
sign5,
sing5,
snig5,
snog5,
song5,
ions4,
3 letter words:
fig7,
fog7,
gif7,
fin6,
fon6,
ifs6,
sif6,
gin4,
gio4,
gis4,
gon4,
gos4,
nog4,
sog4,
ins3,
ion3,
ios3,
iso3,
nis3,
nos3,
ons3,
sin3,
son3,
2 letter words:
if5,
of5,
gi3,
go3,
in2,
io2,
is2,
no2,
oi2,
on2,
os2,
si2,
so2,