9 letter words:
petrifies14,
8 letter words:
spitfire13,
tepefies13,
feistier11,
ferities11,
fieriest11,
reefiest11,
7 letter words:
presift12,
reifies10,
epeeist9,
peeries9,
pestier9,
pieties9,
pitiers9,
respite9,
seepier9,
steeper9,
tipsier9,
eeriest7,
6 letter words:
feirie9,
fester9,
freest9,
frisee9,
frites9,
refits9,
resift9,
rifest9,
sifter9,
strife9,
esprit8,
peerie8,
periti8,
pester8,
peters8,
pitier8,
pities8,
preset8,
priest8,
ripest8,
spirit8,
sprite8,
stripe8,
tepees8,
tripes8,
resite6,
reties6,
5 letter words:
feist8,
feres8,
fetes8,
fires8,
first8,
frees8,
frets8,
fries8,
frise8,
frits8,
reefs8,
refit8,
reifs8,
rifts8,
serif8,
epees7,
peers7,
peise7,
peres7,
peris7,
perse7,
peter7,
piers7,
piste7,
prees7,
prese7,
prest7,
pries7,
prise7,
ripes7,
speer7,
speir7,
spier7,
spire7,
spirt7,
spite7,
spree7,
sprit7,
steep7,
stipe7,
stirp7,
strep7,
strip7,
tepee7,
tipis7,
tripe7,
trips7,
eerie5,
ester5,
reest5,
resee5,
reset5,
resit5,
retie5,
rites5,
siree5,
steer5,
stere5,
terse5,
tiers5,
tires5,
trees5,
tries5,
4 letter words:
efts7,
fees7,
feet7,
fere7,
fest7,
fete7,
fets7,
fire7,
firs7,
fist7,
fits7,
free7,
fret7,
frit7,
reef7,
refs7,
reft7,
reif7,
rife7,
rifs7,
rift7,
seif7,
serf7,
sift7,
tref7,
epee6,
peer6,
pees6,
pere6,
peri6,
pert6,
pest6,
pets6,
pier6,
pies6,
pits6,
pree6,
reps6,
ripe6,
rips6,
seep6,
sept6,
sipe6,
spit6,
step6,
tipi6,
tips6,
trip6,
erst4,
ires4,
iris4,
rees4,
reis4,
rest4,
rete4,
rets4,
rise4,
rite4,
seer4,
sere4,
sire4,
site4,
stir4,
tees4,
tier4,
ties4,
tire4,
tree4,
tres4,
3 letter words:
efs6,
eft6,
fee6,
fer6,
fes6,
fet6,
fie6,
fir6,
fit6,
ifs6,
ref6,
rif6,
pee5,
per5,
pes5,
pet5,
pie5,
pis5,
pit5,
psi5,
pst5,
rep5,
rip5,
sip5,
tip5,
ere3,
ers3,
ire3,
its3,
ree3,
rei3,
res3,
ret3,
see3,
sei3,
ser3,
set3,
sir3,
sit3,
sri3,
tee3,
tie3,
tis3,
2 letter words:
ef5,
fe5,
if5,
pe4,
pi4,
er2,
es2,
et2,
is2,
it2,
re2,
si2,
ti2,