5 letter words:
zerks18,
rykes12,
yerks12,
recks11,
4 letter words:
zeks17,
zerk17,
keys11,
kyes11,
ryke11,
syke11,
yerk11,
reck10,
scry9,
syce9,
ryes7,
recs6,
3 letter words:
zek16,
key10,
kye10,
sky10,
cry8,
rye6,
yes6,
rec5,
sec5,
ers3,
res3,
ser3,
2 letter words:
ye5,
er2,
es2,
re2,