9 letter words:
foreteeth15,
7 letter words:
thereof13,
teether10,
thereto10,
6 letter words:
fother12,
hefter12,
hereof12,
fetter9,
hereto9,
hetero9,
hotter9,
teethe9,
tether9,
tother9,
teeter6,
terete6,
5 letter words:
forth11,
froth11,
hefte11,
theft11,
thoft11,
ether8,
fetor8,
forte8,
freet8,
heroe8,
ofter8,
other8,
teeth8,
terfe8,
there8,
thete8,
three8,
throe8,
troth8,
otter5,
rotte5,
torte5,
toter5,
4 letter words:
heft10,
ethe7,
feer7,
feet7,
fere7,
fete7,
fett7,
fore7,
fort7,
free7,
fret7,
froe7,
here7,
hero7,
hete7,
hoer7,
hore7,
hote7,
orfe7,
reef7,
reft7,
tehr7,
terf7,
teth7,
thee7,
thro7,
toft7,
tref7,
rete4,
rote4,
teer4,
tete4,
tore4,
tort4,
tote4,
tree4,
tret4,
trot4,
3 letter words:
feh9,
foh9,
eft6,
erf6,
eth6,
fee6,
fer6,
fet6,
foe6,
for6,
fro6,
her6,
het6,
hoe6,
hot6,
oft6,
orf6,
ref6,
reh6,
rho6,
tef6,
the6,
tho6,
ere3,
ore3,
ort3,
ree3,
reo3,
ret3,
roe3,
rot3,
tee3,
tet3,
toe3,
tor3,
tot3,
2 letter words:
ef5,
eh5,
fe5,
he5,
ho5,
of5,
oh5,
ee2,
er2,
et2,
oe2,
or2,
re2,
te2,
to2,