7 letter words:
xeroxed22,
5 letter words:
xerox19,
redox13,
erode6,
4 letter words:
exed12,
deer5,
dere5,
doer5,
dore5,
dree5,
rede5,
redo5,
reed5,
rode5,
3 letter words:
dex11,
rex10,
dee4,
doe4,
dor4,
ode4,
red4,
rod4,
ere3,
ore3,
ree3,
roe3,
2 letter words:
ex9,
ox9,
de3,
do3,
ed3,
od3,
er2,
oe2,
or2,
re2,