5 letter words:
finos8,
foins8,
infos8,
winos8,
4 letter words:
sowf10,
wofs10,
fino7,
fins7,
foin7,
fons7,
info7,
nows7,
owns7,
snow7,
sown7,
wino7,
wins7,
wons7,
ions4,
3 letter words:
wof9,
fin6,
fon6,
ifs6,
now6,
own6,
sif6,
sow6,
win6,
wis6,
won6,
wos6,
ins3,
ion3,
ios3,
iso3,
nis3,
nos3,
ons3,
sin3,
son3,
2 letter words:
if5,
of5,
ow5,
wo5,
in2,
io2,
is2,
no2,
oi2,
on2,
os2,
si2,
so2,