4 letter words:
volt7,
vrot7,
gool5,
goor5,
grot5,
logo5,
trog5,
loor4,
loot4,
loto4,
root4,
rotl4,
roto4,
tool4,
toro4,
3 letter words:
gov7,
vol6,
vor6,
goo4,
gor4,
got4,
log4,
tog4,
loo3,
lor3,
lot3,
oor3,
oot3,
ort3,
roo3,
rot3,
too3,
tor3,
2 letter words:
go3,
lo2,
oo2,
or2,
to2,