7 letter words:
rifting11,
6 letter words:
firing10,
tiring7,
5 letter words:
grift9,
iring6,
4 letter words:
frig8,
gift8,
firn7,
frit7,
rift7,
girn5,
girt5,
grin5,
grit5,
ring5,
ting5,
trig5,
inti4,
3 letter words:
fig7,
fin6,
fir6,
fit6,
rif6,
gin4,
git4,
rig4,
nit3,
rin3,
tin3,
2 letter words:
if5,
in2,
it2,
ti2,