8 letter words:
friggers13,
7 letter words:
frigger12,
riggers9,
6 letter words:
friges10,
griefs10,
firers9,
friers9,
rigger8,
rerigs7,
5 letter words:
frigs9,
grief9,
fiers8,
firer8,
fires8,
frier8,
fries8,
frise8,
reifs8,
rifer8,
serif8,
grigs7,
riggs7,
girrs6,
grise6,
rerig6,
riser5,
4 letter words:
fegs8,
figs8,
frig8,
feis7,
fier7,
fire7,
firs7,
fris7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
eggs6,
gigs6,
grig6,
iggs6,
rigg6,
egis5,
ergs5,
gies5,
girr5,
gris5,
regs5,
rigs5,
errs4,
ires4,
reis4,
rise4,
seir4,
serr4,
sire4,
3 letter words:
feg7,
fig7,
gif7,
efs6,
erf6,
fer6,
fes6,
fie6,
fir6,
ifs6,
ref6,
rif6,
sif6,
egg5,
gig5,
igg5,
erg4,
gie4,
gis4,
reg4,
rig4,
seg4,
err3,
ers3,
ire3,
rei3,
res3,
sei3,
ser3,
sir3,
sri3,
2 letter words:
ef5,
fe5,
if5,
gi3,
er2,
es2,
is2,
re2,
si2,