5 letter words:
fikes12,
keefs12,
kiefs12,
skeef12,
4 letter words:
fike11,
fisk11,
keef11,
kefs11,
kief11,
kifs11,
eiks8,
ekes8,
seek8,
seik8,
sike8,
skee8,
fees7,
feis7,
seif7,
3 letter words:
kef10,
kif10,
eek7,
eik7,
eke7,
kis7,
sik7,
ski7,
efs6,
fee6,
fes6,
fie6,
ifs6,
sif6,
see3,
sei3,
2 letter words:
ki6,
ef5,
fe5,
if5,
ee2,
es2,
is2,
si2,