5 letter words:
rykes12,
yerks12,
berks11,
kerbs11,
byres10,
4 letter words:
keys11,
kyes11,
ryke11,
syke11,
yerk11,
berk10,
kerb10,
beys9,
byes9,
byre9,
ryes7,
rebs6,
3 letter words:
key10,
kye10,
sky10,
bey8,
bye8,
bys8,
rye6,
yes6,
bes5,
reb5,
ers3,
res3,
ser3,
2 letter words:
by7,
ye5,
be4,
er2,
es2,
re2,