5 letter words:
barfs10,
frabs10,
4 letter words:
barf9,
fabs9,
frab9,
arfs7,
fars7,
fras7,
arbs6,
bars6,
bras6,
3 letter words:
fab8,
arf6,
far6,
fas6,
fra6,
abs5,
arb5,
bar5,
bas5,
bra5,
sab5,
ars3,
ras3,
sar3,
2 letter words:
fa5,
ab4,
ba4,
ar2,
as2,