5 letter words:
cuifs10,
fices10,
ficus10,
4 letter words:
cuif9,
fice9,
fisc9,
fuci9,
fusc9,
feis7,
feus7,
fuse7,
seif7,
cues6,
ecus6,
ices6,
sice6,
3 letter words:
efs6,
fes6,
feu6,
fie6,
ifs6,
sif6,
cis5,
cue5,
ecu5,
ice5,
sec5,
sic5,
sei3,
sue3,
sui3,
use3,
2 letter words:
ef5,
fe5,
if5,
es2,
is2,
si2,
us2,