11 letter words:
naphthalene19,
9 letter words:
naphthene17,
8 letter words:
elephant13,
panetela10,
7 letter words:
aphthae15,
naphtha15,
heathen13,
haptene12,
heeltap12,
heptane12,
phenate12,
lethean10,
enplane9,
paleate9,
pennate9,
pentane9,
planate9,
platane9,
6 letter words:
aphtha14,
health12,
hapten11,
peahen11,
althea9,
ethane9,
hantle9,
thenal9,
apneal8,
nepeta8,
palate8,
paleae8,
pennae8,
planet8,
platan8,
platen8,
anneal6,
lanate6,
lateen6,
lenten6,
neaten6,
5 letter words:
ephah13,
heath11,
aleph10,
alpha10,
henna8,
lathe8,
lethe8,
neath8,
thane8,
apnea7,
etape7,
leapt7,
lepta7,
paean7,
palea7,
palet7,
panel7,
panne7,
paten7,
penal7,
penna7,
penne7,
petal7,
plane7,
plant7,
plate7,
pleat7,
plena7,
tepal7,
alane5,
alant5,
alate5,
anele5,
anent5,
annal5,
antae5,
eaten5,
elate5,
enate5,
laten5,
leant5,
natal5,
telae5,
4 letter words:
haha10,
hath10,
heth10,
epha9,
heap9,
help9,
path9,
phat9,
eath7,
haen7,
haet7,
hale7,
halt7,
hant7,
hate7,
heal7,
heat7,
heel7,
hent7,
lath7,
thae7,
than7,
thee7,
then7,
atap6,
leap6,
lept6,
napa6,
nape6,
neap6,
neep6,
pale6,
pane6,
pant6,
pate6,
peal6,
pean6,
peat6,
peel6,
peen6,
pele6,
pelt6,
pent6,
plan6,
plat6,
plea6,
tapa6,
tape6,
tepa6,
alae4,
alan4,
alee4,
anal4,
anna4,
anta4,
ante4,
elan4,
etna4,
lane4,
late4,
lean4,
leet4,
lent4,
naan4,
nala4,
nana4,
neat4,
nene4,
tael4,
tala4,
tale4,
teal4,
teel4,
teen4,
tela4,
tele4,
3 letter words:
hah9,
heh9,
hap8,
hep8,
pah8,
peh8,
pht8,
aah6,
aha6,
eth6,
hae6,
hat6,
hen6,
het6,
nah6,
nth6,
the6,
alp5,
ape5,
apt5,
lap5,
nap5,
pal5,
pan5,
pat5,
pea5,
pee5,
pen5,
pet5,
tap5,
aal3,
ala3,
ale3,
alt3,
ana3,
ane3,
ant3,
ate3,
eat3,
eel3,
eta3,
lat3,
lea3,
lee3,
let3,
nae3,
nan3,
nee3,
net3,
tae3,
tan3,
tea3,
tee3,
tel3,
ten3,
2 letter words:
ah5,
eh5,
ha5,
he5,
pa4,
pe4,
aa2,
ae2,
al2,
an2,
at2,
el2,
en2,
et2,
la2,
na2,
ne2,
ta2,
