6 letter words:
spiffs14,
spoofs11,
gossip9,
5 letter words:
spiff13,
poofs10,
spoof10,
goofs9,
goops8,
pisos7,
4 letter words:
offs10,
fops9,
poof9,
figs8,
fogs8,
goof8,
foss7,
gips7,
goop7,
pigs7,
oops6,
piso6,
piss6,
pois6,
poos6,
psis6,
sips6,
sops6,
goos5,
3 letter words:
iff9,
off9,
fop8,
fig7,
fog7,
gip6,
ifs6,
pig6,
ops5,
pis5,
poi5,
poo5,
psi5,
sip5,
sop5,
goo4,
gos4,
sis3,
sos3,
2 letter words:
if5,
of5,
op4,
pi4,
go3,
is2,
oi2,
os2,
si2,
so2,