9 letter words:
infinites12,
8 letter words:
finniest11,
infinite11,
7 letter words:
finites10,
nifties10,
intines7,
6 letter words:
feints9,
finest9,
finite9,
infest9,
intine6,
seniti6,
sennit6,
tennis6,
5 letter words:
feint8,
feist8,
fines8,
finis8,
neifs8,
inset5,
intis5,
neist5,
nines5,
nisei5,
nites5,
senti5,
stein5,
tines5,
4 letter words:
efts7,
fens7,
fest7,
fets7,
fine7,
fins7,
fist7,
fits7,
neif7,
seif7,
sift7,
inns4,
inti4,
nest4,
nets4,
nine4,
nisi4,
nite4,
nits4,
sent4,
sine4,
site4,
snit4,
tens4,
ties4,
tine4,
tins4,
3 letter words:
efs6,
eft6,
fen6,
fes6,
fet6,
fie6,
fin6,
fit6,
ifs6,
ens3,
inn3,
ins3,
its3,
net3,
nit3,
sei3,
sen3,
set3,
sin3,
sit3,
ten3,
tie3,
tin3,
tis3,
2 letter words:
ef5,
fe5,
if5,
en2,
es2,
et2,
in2,
is2,
it2,
ne2,
si2,
ti2,