9 letter words:
backfalls20,
fallbacks20,
8 letter words:
backfall19,
fallback19,
6 letter words:
flacks15,
blacks14,
cabals10,
callas8,
5 letter words:
flack14,
aback13,
backs13,
black13,
flaks12,
flask12,
abask11,
alack11,
balks11,
calks11,
lacks11,
slack11,
calfs10,
flabs10,
abacs9,
cabal9,
cabas9,
laksa9,
alfas8,
falls8,
albas7,
baals7,
balas7,
balls7,
balsa7,
basal7,
calla7,
calls7,
sabal7,
scala7,
scall7,
salal5,
4 letter words:
back12,
flak11,
kafs11,
balk10,
bask10,
calk10,
cask10,
kabs10,
lack10,
sack10,
calf9,
fabs9,
flab9,
abac8,
bacs8,
caba8,
cabs8,
kaal8,
kaas8,
scab8,
alfa7,
alfs7,
faas7,
fall7,
abas6,
alba6,
albs6,
baal6,
baas6,
ball6,
bals6,
caas6,
call6,
casa6,
labs6,
lacs6,
slab6,
aals4,
alas4,
alls4,
sall4,
3 letter words:
kaf10,
kab9,
fab8,
aka7,
ask7,
bac7,
cab7,
kas7,
ska7,
alf6,
faa6,
fas6,
aba5,
abs5,
alb5,
baa5,
bal5,
bas5,
caa5,
lab5,
lac5,
sab5,
sac5,
aal3,
aas3,
ala3,
all3,
als3,
las3,
sal3,
2 letter words:
ka6,
fa5,
ab4,
ba4,
aa2,
al2,
as2,
la2,