8 letter words:
rigorous9,
7 letter words:
rigours8,
6 letter words:
guiros7,
rigors7,
rigour7,
5 letter words:
giros6,
girrs6,
goors6,
goris6,
guiro6,
rigor6,
sorgo6,
orris5,
4 letter words:
gios5,
giro5,
girr5,
goor5,
goos5,
gori5,
gris5,
gurs5,
rigs5,
rugs5,
ours4,
roos4,
sori4,
sour4,
3 letter words:
gio4,
gis4,
goo4,
gor4,
gos4,
gur4,
gus4,
rig4,
rug4,
sog4,
ugs4,
ios3,
iso3,
oor3,
oos3,
ors3,
our3,
ous3,
roo3,
sir3,
sou3,
sri3,
sui3,
sur3,
2 letter words:
gi3,
go3,
gu3,
ug3,
io2,
is2,
oi2,
oo2,
or2,
os2,
ou2,
si2,
so2,
ur2,
us2,