5 letter words:
gecko12,
cogie8,
4 letter words:
jock17,
joke15,
koji15,
geck11,
coke10,
3 letter words:
jig11,
jog11,
joe10,
ick9,
keg8,
eik7,
koi7,
oik7,
oke7,
cig6,
cog6,
eco5,
ice5,
ego4,
geo4,
gie4,
gio4,
goe4,
2 letter words:
jo9,
ki6,
ko6,
gi3,
go3,
io2,
oe2,
oi2,