6 letter words:
beezer17,
breeze17,
reeker10,
5 letter words:
beret7,
4 letter words:
zerk17,
berk10,
kerb10,
keet8,
reek8,
trek8,
beer6,
beet6,
bree6,
rete4,
tree4,
3 letter words:
zek16,
zee12,
eek7,
eke7,
bee5,
bet5,
brr5,
reb5,
ere3,
err3,
ree3,
ret3,
tee3,
2 letter words:
be4,
er2,
et2,
re2,