5 letter words:
fyces13,
fices10,
4 letter words:
sizy16,
size13,
fyce12,
fice9,
fisc9,
syce9,
seif7,
ices6,
sice6,
3 letter words:
fez15,
fiz15,
fey9,
icy8,
efs6,
fes6,
fie6,
ifs6,
yes6,
cis5,
ice5,
sec5,
sic5,
sei3,
2 letter words:
ef5,
fe5,
if5,
ye5,
es2,
is2,
si2,