8 letter words:
xenogeny19,
6 letter words:
oxygen17,
exogen14,
5 letter words:
oxeye15,
xenon12,
yogee9,
4 letter words:
onyx14,
exon11,
oxen11,
eyen7,
eyne7,
gene5,
gone5,
ogee5,
nene4,
neon4,
none4,
3 letter words:
oxy13,
gox11,
gey7,
goy7,
eye6,
yen6,
yon6,
ego4,
eng4,
gee4,
gen4,
neg4,
nog4,
eon3,
nee3,
one3,
2 letter words:
ex9,
ox9,
oy5,
ye5,
yo5,
go3,
en2,
ne2,
no2,
oe2,
on2,