6 letter words:
affies12,
5 letter words:
fiefs11,
fifes11,
4 letter words:
effs10,
fief10,
fife10,
feis7,
safe7,
seif7,
3 letter words:
aff9,
eff9,
iff9,
efs6,
fae6,
fas6,
fes6,
fie6,
ifs6,
sif6,
ais3,
eas3,
sae3,
sai3,
sea3,
sei3,
2 letter words:
ef5,
fa5,
fe5,
if5,
ae2,
ai2,
as2,
ea2,
es2,
is2,
si2,