5 letter words:
bizes16,
seize14,
bikes11,
kibes11,
4 letter words:
zeks17,
bize15,
size13,
zees13,
bike10,
bisk10,
kibe10,
ekes8,
seek8,
sike8,
skee8,
bees6,
bise6,
3 letter words:
zek16,
biz14,
zee12,
eek7,
eke7,
kis7,
ski7,
bee5,
bes5,
bis5,
sib5,
see3,
sei3,
2 letter words:
ki6,
be4,
bi4,
es2,
is2,
si2,