5 letter words:
fyces13,
fices10,
4 letter words:
fyce12,
feys10,
fice9,
fisc9,
scye9,
syce9,
feis7,
seif7,
ices6,
sice6,
3 letter words:
fey9,
icy8,
efs6,
fes6,
fie6,
ifs6,
sey6,
sif6,
sye6,
yes6,
cis5,
ice5,
sec5,
sic5,
sei3,
2 letter words:
fy8,
ef5,
fe5,
if5,
ye5,
es2,
is2,
si2,