10 letter words:
googolplex21,
6 letter words:
pollex15,
googol8,
4 letter words:
expo13,
plex13,
glop7,
goop7,
gleg6,
gogo6,
loop6,
lope6,
pole6,
poll6,
polo6,
pool6,
loge5,
logo5,
ogle5,
oleo4,
3 letter words:
pox12,
gox11,
lex10,
lox10,
oxo10,
peg6,
egg5,
lop5,
ope5,
pol5,
poo5,
ego4,
gel4,
goo4,
leg4,
log4,
ell3,
loo3,
ole3,
2 letter words:
ex9,
ox9,
op4,
pe4,
go3,
el2,
lo2,
oe2,
