5 letter words:
brief10,
fiber10,
fibre10,
filer8,
flier8,
lifer8,
rifle8,
birle7,
liber7,
4 letter words:
file7,
fire7,
flir7,
lief7,
life7,
reif7,
rife7,
bier6,
bile6,
birl6,
brie6,
lier4,
lire4,
riel4,
rile4,
3 letter words:
fib8,
elf6,
fer6,
fie6,
fil6,
fir6,
ref6,
rif6,
bel5,
lib5,
reb5,
rib5,
ire3,
lei3,
lie3,
rei3,
2 letter words:
ef5,
fe5,
if5,
be4,
bi4,
el2,
er2,
li2,
re2,