7 letter words:
fortify16,
5 letter words:
fifty14,
toffy14,
forty11,
rifty11,
triff11,
4 letter words:
iffy13,
riff10,
tiff10,
toff10,
fort7,
frit7,
rift7,
ryot7,
tory7,
troy7,
tyro7,
riot4,
roti4,
tiro4,
tori4,
trio4,
3 letter words:
foy9,
fry9,
iff9,
off9,
fir6,
fit6,
for6,
fro6,
oft6,
orf6,
rif6,
toy6,
try6,
ort3,
rit3,
rot3,
tor3,
2 letter words:
fy8,
if5,
of5,
oy5,
yo5,
io2,
it2,
oi2,
or2,
ti2,
to2,
