5 letter words:
certs7,
crest7,
4 letter words:
trez13,
zest13,
cert6,
recs6,
sect6,
tecs6,
erst4,
rest4,
rets4,
tres4,
3 letter words:
rez12,
sez12,
rec5,
sec5,
tec5,
ers3,
est3,
res3,
ret3,
ser3,
set3,
tes3,
2 letter words:
er2,
es2,
et2,
re2,
st2,
te2,