7 letter words:
trigger9,
6 letter words:
rigger8,
5 letter words:
rerig6,
tiger6,
trier5,
4 letter words:
grig6,
rigg6,
tegg6,
geit5,
gert5,
girr5,
girt5,
gite5,
grit5,
tige5,
trig5,
rite4,
tier4,
tire4,
tirr4,
trie4,
3 letter words:
egg5,
gig5,
igg5,
erg4,
get4,
gie4,
git4,
reg4,
rig4,
teg4,
tig4,
err3,
ire3,
rei3,
ret3,
rit3,
tie3,
2 letter words:
gi3,
er2,
et2,
it2,
re2,
te2,
ti2,