7 letter words:
figures11,
6 letter words:
figure10,
friges10,
griefs10,
furies9,
regius7,
5 letter words:
frigs9,
frugs9,
grief9,
fires8,
fries8,
frise8,
reifs8,
serif8,
grues6,
guise6,
surge6,
urges6,
sieur5,
4 letter words:
figs8,
frig8,
frug8,
fugs8,
feus7,
fire7,
firs7,
furs7,
fuse7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
surf7,
egis5,
ergs5,
gies5,
grue5,
regs5,
rigs5,
rugs5,
urge5,
ires4,
reis4,
rise4,
rues4,
ruse4,
sire4,
suer4,
sure4,
user4,
3 letter words:
fig7,
fug7,
efs6,
fer6,
fes6,
feu6,
fie6,
fir6,
fur6,
ifs6,
ref6,
rif6,
erg4,
gie4,
reg4,
rig4,
rug4,
seg4,
ers3,
ire3,
rei3,
res3,
rue3,
sei3,
ser3,
sir3,
sri3,
sue3,
use3,
2 letter words:
ef5,
fe5,
if5,
er2,
es2,
is2,
re2,
si2,
us2,