6 letter words:
frizes18,
5 letter words:
sizer14,
fyces13,
fiery11,
reify11,
fices10,
fires8,
fries8,
frise8,
reifs8,
serif8,
cires7,
cries7,
rices7,
4 letter words:
friz16,
sizy16,
size13,
fyce12,
fice9,
fisc9,
scry9,
syce9,
fire7,
firs7,
refs7,
reif7,
rife7,
rifs7,
ryes7,
seif7,
serf7,
cire6,
cris6,
ices6,
recs6,
rice6,
sice6,
ires4,
reis4,
rise4,
sire4,
3 letter words:
fez15,
fiz15,
fey9,
fry9,
cry8,
icy8,
efs6,
fer6,
fes6,
fie6,
fir6,
ifs6,
ref6,
rif6,
rye6,
yes6,
cis5,
ice5,
rec5,
sec5,
sic5,
ers3,
ire3,
rei3,
res3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
ef5,
fe5,
if5,
ye5,
er2,
es2,
is2,
re2,
si2,