7 letter words:
fisting11,
sifting11,
6 letter words:
siting7,
5 letter words:
gifts9,
finis8,
sting6,
tings6,
intis5,
4 letter words:
figs8,
gift8,
fins7,
fist7,
fits7,
sift7,
gins5,
gist5,
gits5,
sign5,
sing5,
ting5,
inti4,
nisi4,
nits4,
snit4,
tins4,
3 letter words:
fig7,
fin6,
fit6,
ifs6,
gin4,
git4,
ins3,
its3,
nit3,
sin3,
sit3,
tin3,
tis3,
2 letter words:
if5,
in2,
is2,
it2,
si2,
ti2,