4 letter words:
gios5,
gist5,
gits5,
goos5,
tigs5,
togs5,
oots4,
soot4,
3 letter words:
gio4,
gis4,
git4,
goo4,
gos4,
got4,
sog4,
tig4,
tog4,
ios3,
iso3,
its3,
oos3,
oot3,
sit3,
sot3,
tis3,
too3,
2 letter words:
gi3,
go3,
io2,
is2,
it2,
oi2,
oo2,
os2,
si2,
so2,
st2,
ti2,
to2,