9 letter words:
unperfect16,
7 letter words:
perfect14,
prefect14,
percent11,
precent11,
6 letter words:
fencer11,
refect11,
pecten10,
precut10,
recept10,
refute9,
unfree9,
center8,
centre8,
punter8,
recent8,
repent8,
repute8,
tenrec8,
neuter6,
retune6,
tenure6,
tureen6,
5 letter words:
fence10,
creep9,
crepe9,
crept9,
pence9,
centu7,
cruet7,
curet7,
cuter7,
erect7,
eruct7,
erupt7,
peter7,
preen7,
prune7,
puree7,
recut7,
rupee7,
terce7,
truce7,
enter5,
enure5,
rente5,
terne5,
treen5,
tuner5,
4 letter words:
curf9,
cepe8,
puce8,
enuf7,
feet7,
fere7,
fern7,
fete7,
free7,
fret7,
reef7,
reft7,
tref7,
turf7,
cent6,
cere6,
cete6,
cunt6,
cure6,
curn6,
curt6,
cute6,
ecru6,
neep6,
peen6,
peer6,
pent6,
pere6,
pert6,
pree6,
punt6,
pure6,
erne4,
rent4,
rete4,
rune4,
runt4,
teen4,
tern4,
tree4,
true4,
tune4,
turn4,
3 letter words:
cep7,
cup7,
pec7,
eft6,
fee6,
fen6,
fer6,
fet6,
feu6,
fun6,
fur6,
ref6,
cee5,
cru5,
cue5,
cur5,
cut5,
ecu5,
pee5,
pen5,
per5,
pet5,
pun5,
pur5,
put5,
rec5,
rep5,
tup5,
urp5,
ere3,
ern3,
nee3,
net3,
nut3,
ree3,
ret3,
rue3,
run3,
rut3,
tee3,
ten3,
tun3,
urn3,
ute3,
2 letter words:
ef5,
fe5,
pe4,
up4,
en2,
er2,
et2,
ne2,
nu2,
re2,
un2,
ut2,