5 letter words:
keefs12,
skeef12,
fusee8,
4 letter words:
keef11,
kefs11,
ekes8,
euks8,
kues8,
seek8,
skee8,
ukes8,
fees7,
feus7,
fuse7,
3 letter words:
kef10,
eek7,
eke7,
euk7,
kue7,
suk7,
uke7,
efs6,
fee6,
fes6,
feu6,
see3,
sue3,
use3,
2 letter words:
ef5,
fe5,
ee2,
es2,
us2,