6 letter words:
friges10,
griefs10,
frisee9,
5 letter words:
frigs9,
grief9,
feres8,
fires8,
frees8,
fries8,
frise8,
reefs8,
reifs8,
serif8,
egers6,
grees6,
reges6,
serge6,
siege6,
siree5,
4 letter words:
figs8,
frig8,
fees7,
fere7,
fire7,
firs7,
free7,
reef7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
eger5,
egis5,
ergs5,
gees5,
gies5,
gree5,
regs5,
rigs5,
ires4,
rees4,
reis4,
rise4,
seer4,
sere4,
sire4,
3 letter words:
fig7,
efs6,
fee6,
fer6,
fes6,
fie6,
fir6,
ifs6,
ref6,
rif6,
erg4,
gee4,
gie4,
reg4,
rig4,
seg4,
ere3,
ers3,
ire3,
ree3,
rei3,
res3,
see3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
ef5,
fe5,
if5,
er2,
es2,
is2,
re2,
si2,