9 letter words:
toxaphene21,
7 letter words:
haptene12,
heptane12,
phaeton12,
phenate12,
phonate12,
potheen12,
6 letter words:
hexane16,
hexone16,
hapten11,
peahen11,
ethane9,
nepeta8,
poteen8,
teopan8,
5 letter words:
expat14,
axone12,
taxon12,
phone10,
tophe10,
neath8,
thane8,
etape7,
netop7,
paeon7,
panto7,
paten7,
topee7,
atone5,
eaten5,
enate5,
oaten5,
4 letter words:
hoax14,
apex13,
expo13,
axon11,
exon11,
next11,
oxen11,
epha9,
heap9,
hope9,
opah9,
path9,
phat9,
phon9,
phot9,
toph9,
eath7,
haen7,
haet7,
hant7,
hate7,
heat7,
hent7,
hone7,
oath7,
thae7,
than7,
thee7,
then7,
atop6,
nape6,
neap6,
neep6,
nope6,
open6,
pane6,
pant6,
pate6,
pean6,
peat6,
peen6,
pent6,
peon6,
poet6,
pone6,
tape6,
tepa6,
tope6,
aeon4,
ante4,
etna4,
neat4,
nota4,
note4,
teen4,
toea4,
tone4,
3 letter words:
hex13,
pax12,
pox12,
axe10,
tax10,
hap8,
hep8,
hop8,
pah8,
peh8,
pht8,
poh8,
eth6,
hae6,
hao6,
hat6,
hen6,
het6,
hoe6,
hon6,
hot6,
nah6,
noh6,
nth6,
the6,
tho6,
ape5,
apo5,
apt5,
nap5,
ope5,
opt5,
pan5,
pat5,
pea5,
pee5,
pen5,
pet5,
pot5,
tap5,
top5,
ane3,
ant3,
ate3,
eat3,
eon3,
eta3,
nae3,
nee3,
net3,
not3,
oat3,
one3,
tae3,
tan3,
tao3,
tea3,
tee3,
ten3,
toe3,
ton3,
2 letter words:
ax9,
ex9,
ox9,
ah5,
eh5,
ha5,
he5,
ho5,
oh5,
op4,
pa4,
pe4,
ae2,
an2,
at2,
en2,
et2,
na2,
ne2,
no2,
oe2,
on2,
ta2,
to2,