8 letter words:
firebugs14,
7 letter words:
firebug13,
fubsier12,
figures11,
brigues10,
rugbies10,
6 letter words:
briefs11,
fibers11,
fibres11,
figure10,
friges10,
fugies10,
griefs10,
grufes10,
brigue9,
furies9,
geburs9,
gibers9,
surfie9,
bruise8,
buries8,
busier8,
rubies8,
guiser7,
regius7,
5 letter words:
brief10,
fiber10,
fibre10,
fribs10,
frigs9,
frugs9,
fugie9,
grief9,
grufe9,
bergs8,
brigs8,
burgs8,
fiers8,
fires8,
fries8,
frise8,
gebur8,
giber8,
gibes8,
gibus8,
grubs8,
reifs8,
serif8,
biers7,
birse7,
breis7,
bries7,
brise7,
burse7,
rebus7,
ribes7,
rubes7,
suber7,
grise6,
grues6,
guise6,
surge6,
urges6,
sieur5,
4 letter words:
fibs9,
frib9,
fubs9,
fegs8,
figs8,
frig8,
frug8,
fugs8,
begs7,
berg7,
bigs7,
brig7,
bugs7,
burg7,
feis7,
feus7,
fier7,
fire7,
firs7,
fris7,
furs7,
fuse7,
gibe7,
gibs7,
grub7,
gubs7,
refs7,
reif7,
rife7,
rifs7,
seif7,
serf7,
surf7,
bier6,
bise6,
brei6,
brie6,
bris6,
brus6,
burs6,
rebs6,
ribs6,
rube6,
rubs6,
urbs6,
egis5,
ergs5,
gies5,
gris5,
grue5,
gues5,
gurs5,
regs5,
rigs5,
rugs5,
urge5,
ires4,
iure4,
reis4,
rise4,
rues4,
ruse4,
seir4,
sire4,
suer4,
sure4,
ures4,
user4,
3 letter words:
fib8,
fub8,
feg7,
fig7,
fug7,
gif7,
beg6,
big6,
bug6,
efs6,
erf6,
fer6,
fes6,
feu6,
fie6,
fir6,
fur6,
gib6,
gub6,
ifs6,
ref6,
rif6,
sif6,
bes5,
bis5,
bru5,
bur5,
bus5,
reb5,
rib5,
rub5,
sib5,
sub5,
urb5,
erg4,
gie4,
gis4,
gue4,
gur4,
gus4,
reg4,
rig4,
rug4,
seg4,
ugs4,
ers3,
ire3,
rei3,
res3,
rue3,
sei3,
ser3,
sir3,
sri3,
sue3,
sui3,
sur3,
ure3,
use3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
gi3,
gu3,
ug3,
er2,
es2,
is2,
re2,
si2,
ur2,
us2,
