9 letter words:
riflebird15,
8 letter words:
birdlife14,
firebird14,
7 letter words:
filberd13,
bridler10,
6 letter words:
fibred12,
fibril11,
rifled10,
birder9,
birdie9,
birled9,
birred9,
bridie9,
bridle9,
rifler9,
birler8,
ribier8,
rilier6,
5 letter words:
bifid11,
brief10,
fiber10,
fibre10,
felid9,
field9,
filed9,
fired9,
flied9,
fried9,
bider8,
bield8,
biled8,
breid8,
bride8,
filer8,
firer8,
firie8,
flier8,
frier8,
lifer8,
rebid8,
rifer8,
rifle8,
birle7,
brier7,
liber7,
libri7,
direr6,
drier6,
idler6,
reird6,
rider6,
riled6,
4 letter words:
frib9,
defi8,
deif8,
delf8,
fled8,
bide7,
bidi7,
bird7,
bled7,
bred7,
dieb7,
drib7,
fier7,
file7,
fire7,
flir7,
lief7,
life7,
reif7,
rife7,
bier6,
bile6,
birl6,
birr6,
brei6,
brer6,
brie6,
deil5,
deli5,
diel5,
dire5,
dirl5,
eild5,
idle5,
ired5,
irid5,
lied5,
ride5,
leir4,
lier4,
lire4,
liri4,
riel4,
rile4,
3 letter words:
fib8,
def7,
dif7,
fed7,
fid7,
bed6,
bid6,
deb6,
dib6,
elf6,
erf6,
fer6,
fie6,
fil6,
fir6,
ref6,
rif6,
bel5,
brr5,
lib5,
reb5,
rib5,
dei4,
del4,
die4,
eld4,
ide4,
led4,
lid4,
red4,
rid4,
err3,
ire3,
lei3,
lie3,
rei3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
de3,
di3,
ed3,
id3,
el2,
er2,
li2,
re2,