6 letter words:
kefirs13,
pikers12,
prusik12,
pukers12,
spiker12,
spruik12,
preifs11,
priefs11,
furies9,
surfie9,
uprise8,
5 letter words:
fikes12,
firks12,
frisk12,
kefir12,
kerfs12,
kiefs12,
kufis12,
kepis11,
kipes11,
perks11,
piker11,
pikes11,
puker11,
pukes11,
spike11,
preif10,
prief10,
keirs9,
kiers9,
kuris9,
reiks9,
siker9,
skier9,
fiers8,
fires8,
fries8,
frise8,
reifs8,
serif8,
epris7,
peris7,
piers7,
pries7,
prise7,
puers7,
pures7,
puris7,
purse7,
ripes7,
sirup7,
speir7,
spier7,
spire7,
sprue7,
spuer7,
super7,
sieur5,
4 letter words:
fike11,
firk11,
fisk11,
kefs11,
kerf11,
kief11,
kifs11,
kufi11,
kepi10,
keps10,
kipe10,
kips10,
perk10,
pike10,
puke10,
skep10,
skip10,
spek10,
spik10,
pfui9,
spif9,
eiks8,
erks8,
euks8,
irks8,
keir8,
kier8,
kirs8,
kris8,
kues8,
kuri8,
reik8,
risk8,
rusk8,
seik8,
serk8,
sike8,
sker8,
ukes8,
feis7,
feus7,
fier7,
fire7,
firs7,
fris7,
furs7,
fuse7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
surf7,
peri6,
pier6,
pies6,
pirs6,
pise6,
puer6,
puir6,
pure6,
puri6,
purs6,
reps6,
ripe6,
rips6,
risp6,
sipe6,
spie6,
spue6,
spur6,
supe6,
urps6,
ires4,
iure4,
reis4,
rise4,
rues4,
ruse4,
seir4,
sire4,
suer4,
sure4,
ures4,
user4,
3 letter words:
kef10,
kif10,
kep9,
kip9,
eik7,
erk7,
euk7,
irk7,
kir7,
kis7,
kue7,
sik7,
ski7,
suk7,
uke7,
efs6,
erf6,
fer6,
fes6,
feu6,
fie6,
fir6,
fur6,
ifs6,
ref6,
rif6,
sif6,
per5,
pes5,
pie5,
pir5,
pis5,
piu5,
pre5,
psi5,
pur5,
pus5,
rep5,
rip5,
sip5,
sup5,
ups5,
urp5,
ers3,
ire3,
rei3,
res3,
rue3,
sei3,
ser3,
sir3,
sri3,
sue3,
sui3,
sur3,
ure3,
use3,
2 letter words:
ki6,
ef5,
fe5,
if5,
pe4,
pi4,
up4,
er2,
es2,
is2,
re2,
si2,
ur2,
us2,