7 letter words:
estrepe9,
steeper9,
6 letter words:
perfet11,
ferest9,
fester9,
freest9,
freets9,
terfes9,
pester8,
peters8,
petres8,
preset8,
tepees8,
5 letter words:
feers8,
feese8,
feres8,
fetes8,
frees8,
freet8,
frets8,
reefs8,
sefer8,
terfe8,
terfs8,
epees7,
peers7,
peres7,
perse7,
perst7,
perts7,
peter7,
petre7,
prees7,
prese7,
prest7,
speer7,
spree7,
steep7,
strep7,
tepee7,
ester5,
reest5,
resee5,
reset5,
retes5,
steer5,
stere5,
teers5,
teres5,
terse5,
trees5,
4 letter words:
efts7,
feer7,
fees7,
feet7,
fere7,
fest7,
fete7,
fets7,
free7,
fret7,
reef7,
refs7,
reft7,
serf7,
tefs7,
terf7,
tref7,
epee6,
peer6,
pees6,
pere6,
pert6,
pest6,
pets6,
pree6,
reps6,
seep6,
sept6,
spet6,
step6,
eres4,
erst4,
rees4,
rest4,
rete4,
rets4,
seer4,
sere4,
teer4,
tees4,
tree4,
tres4,
3 letter words:
efs6,
eft6,
erf6,
fee6,
fer6,
fes6,
fet6,
ref6,
tef6,
pee5,
per5,
pes5,
pet5,
pre5,
pst5,
rep5,
ere3,
ers3,
est3,
ree3,
res3,
ret3,
see3,
ser3,
set3,
tee3,
tes3,
2 letter words:
ef5,
fe5,
pe4,
ee2,
er2,
es2,
et2,
re2,
st2,
te2,