5 letter words:
becke13,
4 letter words:
beck12,
bock12,
bike10,
boke10,
coke10,
kibe10,
bice8,
3 letter words:
bok9,
ick9,
keb9,
kob9,
cob7,
eek7,
eik7,
eke7,
koi7,
oik7,
oke7,
bee5,
bio5,
boi5,
cee5,
eco5,
ice5,
obe5,
obi5,
2 letter words:
ki6,
ko6,
be4,
bi4,
bo4,
ob4,
ee2,
io2,
oe2,
oi2,