6 letter words:
snifty12,
5 letter words:
fisty11,
nifty11,
snift8,
4 letter words:
fins7,
fist7,
fits7,
sift7,
tiny7,
tyin7,
yins7,
nits4,
snit4,
tins4,
3 letter words:
fin6,
fit6,
ifs6,
nys6,
sif6,
sny6,
sty6,
syn6,
yin6,
ins3,
its3,
nis3,
nit3,
sin3,
sit3,
tin3,
tis3,
2 letter words:
fy8,
if5,
ny5,
in2,
is2,
it2,
si2,
st2,
ti2,