6 letter words:
griffs13,
5 letter words:
miffs13,
griff12,
riffs11,
firms10,
frigs9,
gisms8,
simis7,
smirs7,
siris5,
4 letter words:
miff12,
fifi10,
riff10,
firm9,
figs8,
frig8,
firs7,
fris7,
gism7,
grim7,
migs7,
rifs7,
isms6,
miri6,
mirs6,
miss6,
rims6,
simi6,
sims6,
smir6,
gris5,
rigs5,
iris4,
siri4,
sirs4,
sris4,
3 letter words:
iff9,
fig7,
gif7,
fir6,
ifs6,
mig6,
rif6,
sif6,
ism5,
mir5,
mis5,
rim5,
sim5,
gis4,
rig4,
sir3,
sis3,
sri3,
2 letter words:
if5,
mi4,
gi3,
is2,
si2,