7 letter words:
riffles13,
6 letter words:
fifers12,
riffle12,
filers9,
fliers9,
lifers9,
rifles9,
5 letter words:
fiefs11,
fifer11,
fifes11,
riffs11,
filer8,
files8,
fires8,
flier8,
flies8,
flirs8,
fries8,
frise8,
lifer8,
reifs8,
rifle8,
serif8,
liers5,
riels5,
riles5,
slier5,
4 letter words:
effs10,
fief10,
fife10,
riff10,
file7,
fils7,
fire7,
firs7,
flir7,
lief7,
life7,
refs7,
reif7,
rife7,
rifs7,
seif7,
self7,
serf7,
ires4,
isle4,
leis4,
lier4,
lies4,
lire4,
reis4,
riel4,
rile4,
rise4,
sire4,
3 letter words:
eff9,
iff9,
efs6,
elf6,
fer6,
fes6,
fie6,
fil6,
fir6,
ifs6,
ref6,
rif6,
els3,
ers3,
ire3,
lei3,
les3,
lie3,
lis3,
rei3,
res3,
sei3,
sel3,
ser3,
sir3,
sri3,
2 letter words:
ef5,
fe5,
if5,
el2,
er2,
es2,
is2,
li2,
re2,
si2,