5 letter words:
fikes12,
kiefs12,
kufis12,
4 letter words:
fike11,
fisk11,
kefs11,
kief11,
kifs11,
kufi11,
eiks8,
euks8,
kues8,
seik8,
sike8,
ukes8,
feis7,
feus7,
fuse7,
seif7,
3 letter words:
kef10,
kif10,
eik7,
euk7,
kis7,
kue7,
sik7,
ski7,
suk7,
uke7,
efs6,
fes6,
feu6,
fie6,
ifs6,
sif6,
sei3,
sue3,
sui3,
use3,
2 letter words:
ki6,
ef5,
fe5,
if5,
es2,
is2,
si2,
us2,