9 letter words:
hyperfine20,
6 letter words:
finery12,
heifer12,
pinery11,
pyrene11,
ferine9,
herein9,
inhere9,
refine9,
repine8,
5 letter words:
hyper13,
ferny11,
feyer11,
fiery11,
henry11,
reefy11,
reify11,
peery10,
piney10,
eyrie8,
finer8,
hiree8,
infer8,
preen7,
repin7,
ripen7,
4 letter words:
hype12,
piny9,
prey9,
pyin9,
pyre9,
yipe9,
eery7,
eyen7,
eyer7,
eyne7,
eyre7,
fere7,
fern7,
fine7,
fire7,
firn7,
free7,
heir7,
here7,
hern7,
hire7,
neif7,
reef7,
reif7,
rife7,
neep6,
peen6,
peer6,
pein6,
pere6,
peri6,
pier6,
pine6,
pirn6,
pree6,
ripe6,
erne4,
rein4,
3 letter words:
hyp11,
feh9,
fey9,
fry9,
hey9,
yeh9,
hep8,
hip8,
peh8,
phi8,
pry8,
pye8,
yep8,
yip8,
eye6,
fee6,
fen6,
fer6,
fie6,
fin6,
fir6,
hen6,
her6,
hie6,
hin6,
ref6,
rif6,
rye6,
yen6,
yin6,
nip5,
pee5,
pen5,
per5,
pie5,
pin5,
rep5,
rip5,
ere3,
ern3,
ire3,
nee3,
ree3,
rei3,
rin3,
2 letter words:
ef5,
eh5,
fe5,
he5,
hi5,
if5,
ye5,
pe4,
pi4,
en2,
er2,
in2,
ne2,
re2,