6 letter words:
ficoes11,
5 letter words:
fyces13,
coifs10,
cosey10,
fices10,
ficos10,
cosie7,
4 letter words:
fyce12,
feys10,
foys10,
coif9,
cosy9,
coys9,
fice9,
fico9,
fisc9,
foci9,
scye9,
syce9,
feis7,
foes7,
oyes7,
seif7,
cose6,
ecos6,
ices6,
seco6,
sice6,
3 letter words:
fey9,
foy9,
coy8,
icy8,
efs6,
fes6,
fie6,
foe6,
ifs6,
oye6,
oys6,
sey6,
sif6,
soy6,
sye6,
yes6,
yos6,
cis5,
cos5,
eco5,
ice5,
sec5,
sic5,
soc5,
ios3,
iso3,
oes3,
ose3,
sei3,
2 letter words:
fy8,
ef5,
fe5,
if5,
of5,
oy5,
ye5,
yo5,
es2,
io2,
is2,
oe2,
oi2,
os2,
si2,
so2,