9 letter words:
sniffings16,
8 letter words:
sniffing15,
7 letter words:
niffing14,
finings11,
6 letter words:
fifing13,
sniffs12,
fining10,
sining7,
5 letter words:
niffs11,
sniff11,
finis8,
signs6,
sings6,
snigs6,
4 letter words:
fifi10,
niff10,
figs8,
fini7,
fins7,
ginn5,
gins5,
sign5,
sing5,
snig5,
inns4,
nisi4,
sins4,
3 letter words:
iff9,
fig7,
gif7,
fin6,
ifs6,
sif6,
gin4,
gis4,
inn3,
ins3,
nis3,
sin3,
sis3,
2 letter words:
if5,
gi3,
in2,
is2,
si2,