7 letter words:
frisket14,
6 letter words:
kefirs13,
kiters10,
strike10,
trikes10,
freits9,
frites9,
refits9,
resift9,
rifest9,
sifter9,
strife9,
5 letter words:
fikes12,
firks12,
frisk12,
kefir12,
kerfs12,
kiefs12,
keirs9,
kiers9,
kiter9,
kites9,
reiks9,
siker9,
skier9,
skirt9,
skite9,
stirk9,
tikes9,
treks9,
trike9,
feist8,
fiers8,
fiest8,
fires8,
first8,
freit8,
frets8,
fries8,
frise8,
frist8,
frits8,
refit8,
reifs8,
rifte8,
rifts8,
serif8,
terfs8,
treif8,
reist5,
resit5,
rites5,
stire5,
tiers5,
tires5,
tries5,
4 letter words:
fike11,
firk11,
fisk11,
kefs11,
kerf11,
kief11,
kifs11,
eiks8,
erks8,
irks8,
keir8,
kest8,
kets8,
kier8,
kirs8,
kist8,
kite8,
kits8,
kris8,
reik8,
risk8,
seik8,
sekt8,
serk8,
sike8,
sker8,
sket8,
skit8,
tike8,
trek8,
efts7,
feis7,
fest7,
fets7,
fier7,
fire7,
firs7,
fist7,
fits7,
fret7,
fris7,
frit7,
refs7,
reft7,
reif7,
rife7,
rifs7,
rift7,
seif7,
serf7,
sift7,
tefs7,
terf7,
tref7,
erst4,
ires4,
reis4,
rest4,
rets4,
rise4,
rite4,
rits4,
seir4,
sire4,
site4,
stie4,
stir4,
tier4,
ties4,
tire4,
tres4,
trie4,
3 letter words:
kef10,
kif10,
eik7,
erk7,
irk7,
ket7,
kir7,
kis7,
kit7,
sik7,
ski7,
tsk7,
efs6,
eft6,
erf6,
fer6,
fes6,
fet6,
fie6,
fir6,
fit6,
ifs6,
ref6,
rif6,
sif6,
tef6,
ers3,
est3,
ire3,
its3,
rei3,
res3,
ret3,
rit3,
sei3,
ser3,
set3,
sir3,
sit3,
sri3,
tes3,
tie3,
tis3,
2 letter words:
ki6,
ef5,
fe5,
if5,
er2,
es2,
et2,
is2,
it2,
re2,
si2,
st2,
te2,
ti2,