5 letter words:
ruers5,
ruses5,
russe5,
serrs5,
suers5,
surer5,
sures5,
users5,
4 letter words:
errs4,
ruer4,
rues4,
ruse4,
serr4,
sers4,
suer4,
sues4,
sure4,
ures4,
user4,
uses4,
3 letter words:
err3,
ers3,
ess3,
res3,
rue3,
ser3,
sue3,
sur3,
sus3,
ure3,
use3,
2 letter words:
er2,
es2,
re2,
ur2,
us2,