5 letter words:
girts6,
grist6,
grits6,
strig6,
trigs6,
4 letter words:
girt5,
gist5,
gits5,
gris5,
grit5,
rigs5,
tigs5,
trig5,
rits4,
stir4,
3 letter words:
gis4,
git4,
rig4,
tig4,
its3,
rit3,
sir3,
sit3,
sri3,
tis3,
2 letter words:
gi3,
is2,
it2,
si2,
st2,
ti2,