9 letter words:
filisters12,
8 letter words:
filister11,
riftless11,
stiflers11,
7 letter words:
filters10,
firelit10,
fissile10,
lifters10,
resifts10,
sifters10,
stifler10,
stifles10,
strifes10,
trifles10,
listers7,
relists7,
siltier7,
6 letter words:
feists9,
filers9,
filets9,
filter9,
firsts9,
fliers9,
fliest9,
flirts9,
flites9,
frises9,
frites9,
itself9,
lifers9,
lifter9,
refits9,
resift9,
rifest9,
rifles9,
serifs9,
sifter9,
stifle9,
strife9,
trifle9,
irises6,
islets6,
istles6,
lister6,
liters6,
litres6,
relist6,
resist6,
resits6,
sister6,
sliest6,
stiles6,
tilers6,
5 letter words:
feist8,
felts8,
fests8,
filer8,
files8,
filet8,
fires8,
first8,
fists8,
flier8,
flies8,
flirs8,
flirt8,
flite8,
flits8,
frets8,
fries8,
frise8,
frits8,
lefts8,
lifer8,
lifts8,
refit8,
reifs8,
rifle8,
rifts8,
seifs8,
selfs8,
serfs8,
serif8,
sifts8,
isles5,
islet5,
issei5,
istle5,
liers5,
lists5,
liter5,
litre5,
relit5,
resit5,
rests5,
riels5,
riles5,
rises5,
rites5,
silts5,
sires5,
sites5,
slier5,
slits5,
sties5,
stile5,
stirs5,
tiers5,
tiler5,
tiles5,
tires5,
tirls5,
tress5,
tries5,
4 letter words:
efts7,
felt7,
fess7,
fest7,
fets7,
file7,
fils7,
fire7,
firs7,
fist7,
fits7,
flir7,
flit7,
fret7,
frit7,
left7,
lief7,
life7,
lift7,
refs7,
reft7,
reif7,
rife7,
rifs7,
rift7,
seif7,
self7,
serf7,
sift7,
tref7,
erst4,
ires4,
iris4,
isle4,
leis4,
less4,
lest4,
lets4,
lier4,
lies4,
lire4,
liri4,
list4,
lite4,
lits4,
reis4,
rest4,
rets4,
riel4,
rile4,
rise4,
rite4,
seis4,
sels4,
sers4,
sets4,
silt4,
sire4,
sirs4,
site4,
sits4,
slit4,
sris4,
stir4,
tels4,
tier4,
ties4,
tile4,
tils4,
tire4,
tirl4,
tres4,
3 letter words:
efs6,
eft6,
elf6,
fer6,
fes6,
fet6,
fie6,
fil6,
fir6,
fit6,
ifs6,
ref6,
rif6,
els3,
ers3,
ess3,
ire3,
its3,
lei3,
les3,
let3,
lie3,
lis3,
lit3,
rei3,
res3,
ret3,
sei3,
sel3,
ser3,
set3,
sir3,
sis3,
sit3,
sri3,
tel3,
tie3,
til3,
tis3,
2 letter words:
ef5,
fe5,
if5,
el2,
er2,
es2,
et2,
is2,
it2,
li2,
re2,
si2,
ti2,
