5 letter words:
firry11,
irony8,
4 letter words:
fino7,
firn7,
foin7,
info7,
yirr7,
yoni7,
inro4,
iron4,
noir4,
nori4,
3 letter words:
foy9,
fry9,
fin6,
fir6,
fon6,
for6,
fro6,
rif6,
yin6,
yon6,
ion3,
nor3,
rin3,
2 letter words:
if5,
of5,
oy5,
yo5,
in2,
no2,
oi2,
on2,
or2,