6 letter words:
peruke12,
perfet11,
feutre9,
refute9,
repute8,
5 letter words:
kreep11,
puker11,
tupek11,
terek9,
freet8,
terfe8,
erupt7,
peter7,
petre7,
puree7,
rupee7,
upter7,
4 letter words:
keef11,
kerf11,
keep10,
kept10,
peek10,
peke10,
perk10,
puke10,
keet8,
kete8,
reek8,
reke8,
teek8,
trek8,
turk8,
feer7,
feet7,
fere7,
fete7,
free7,
fret7,
reef7,
reft7,
terf7,
tref7,
turf7,
peer6,
pere6,
pert6,
pree6,
puer6,
pure6,
rete4,
teer4,
tree4,
true4,
3 letter words:
kef10,
kep9,
eek7,
eke7,
erk7,
euk7,
ket7,
kue7,
uke7,
eft6,
erf6,
fee6,
fer6,
fet6,
feu6,
fur6,
ref6,
tef6,
pee5,
per5,
pet5,
pre5,
pur5,
put5,
rep5,
tup5,
urp5,
ere3,
ree3,
ret3,
rue3,
rut3,
tee3,
ure3,
ute3,
2 letter words:
ef5,
fe5,
pe4,
up4,
ee2,
er2,
et2,
re2,
te2,
ur2,
ut2,