5 letter words:
kiefs12,
kufis12,
sikes9,
skies9,
fuses8,
seifs8,
issei5,
issue5,
4 letter words:
kefs11,
kief11,
kifs11,
kufi11,
kiss8,
kues8,
sike8,
skis8,
suks8,
ukes8,
fess7,
feus7,
fuse7,
fuss7,
seif7,
seis4,
sues4,
uses4,
3 letter words:
kef10,
kif10,
kis7,
kue7,
ski7,
suk7,
uke7,
efs6,
fes6,
feu6,
fie6,
ifs6,
ess3,
sei3,
sis3,
sue3,
use3,
2 letter words:
ki6,
ef5,
fe5,
if5,
es2,
is2,
si2,
us2,