4 letter words:
zerk17,
drek9,
duke9,
drew8,
dure5,
rude5,
rued5,
urde5,
3 letter words:
zek16,
zed13,
rez12,
ewk10,
ked8,
dew7,
erk7,
euk7,
kue7,
uke7,
wed7,
wud7,
rew6,
due4,
red4,
rud4,
urd4,
rue3,
ure3,
2 letter words:
we5,
de3,
ed3,
er2,
re2,
ur2,