12 letter words:
phenanthrene20,
10 letter words:
nepenthean15,
9 letter words:
naphthene17,
perennate11,
8 letter words:
nepenthe13,
7 letter words:
heathen13,
heather13,
haptene12,
heptane12,
panther12,
phenate12,
preheat12,
earthen10,
hearten10,
pennant9,
pennate9,
pentane9,
pentene9,
preteen9,
terpene9,
6 letter words:
rhaphe14,
hearth12,
hapten11,
heaper11,
peahen11,
tephra11,
teraph11,
threap11,
threep11,
aether9,
anther9,
ethane9,
ethene9,
heater9,
hereat9,
nether9,
reheat9,
thenar9,
arpent8,
enrapt8,
entrap8,
nepeta8,
panner8,
parent8,
pennae8,
penner8,
repeat8,
repent8,
retape8,
trepan8,
entera6,
entree6,
eterne6,
neaten6,
neater6,
rennet6,
retene6,
tanner6,
teener6,
tenner6,
5 letter words:
ephah13,
heath11,
raphe10,
earth8,
ether8,
hater8,
heart8,
henna8,
neath8,
rathe8,
thane8,
there8,
three8,
apter7,
arpen7,
etape7,
panne7,
paten7,
pater7,
peart7,
penna7,
penne7,
perea7,
peter7,
prate7,
preen7,
taper7,
tepee7,
anent5,
antre5,
arene5,
arete5,
eaten5,
eater5,
enate5,
enter5,
ranee5,
rente5,
terne5,
treen5,
4 letter words:
hath10,
heth10,
epha9,
harp9,
heap9,
path9,
phat9,
eath7,
haen7,
haet7,
hant7,
hare7,
hart7,
hate7,
hear7,
heat7,
hent7,
here7,
hern7,
rath7,
rhea7,
tahr7,
thae7,
than7,
thee7,
then7,
aper6,
epee6,
nape6,
neap6,
neep6,
pane6,
pant6,
pare6,
part6,
pate6,
pean6,
pear6,
peat6,
peen6,
peer6,
pent6,
pere6,
pert6,
prat6,
pree6,
rape6,
rapt6,
reap6,
tape6,
tarp6,
tepa6,
trap6,
ante4,
earn4,
erne4,
etna4,
near4,
neat4,
nene4,
rant4,
rate4,
rent4,
rete4,
tare4,
tarn4,
tear4,
teen4,
tern4,
tree4,
3 letter words:
hah9,
heh9,
hap8,
hep8,
pah8,
peh8,
pht8,
eth6,
hae6,
hat6,
hen6,
her6,
het6,
nah6,
nth6,
rah6,
the6,
ape5,
apt5,
nap5,
pan5,
par5,
pat5,
pea5,
pee5,
pen5,
per5,
pet5,
rap5,
rep5,
tap5,
ane3,
ant3,
are3,
art3,
ate3,
ear3,
eat3,
era3,
ere3,
ern3,
eta3,
nae3,
nan3,
nee3,
net3,
ran3,
rat3,
ree3,
ret3,
tae3,
tan3,
tar3,
tea3,
tee3,
ten3,
2 letter words:
ah5,
eh5,
ha5,
he5,
pa4,
pe4,
ae2,
an2,
ar2,
at2,
en2,
er2,
et2,
na2,
ne2,
re2,
ta2,
