7 letter words:
excrete16,
5 letter words:
exert12,
erect7,
terce7,
4 letter words:
exec13,
cere6,
cert6,
cete6,
cree6,
rete4,
teer4,
tree4,
3 letter words:
rex10,
tex10,
cee5,
rec5,
tec5,
ere3,
ree3,
ret3,
tee3,
2 letter words:
ex9,
ee2,
er2,
et2,
re2,
te2,