6 letter words:
franco11,
5 letter words:
franc10,
acorn7,
narco7,
racon7,
4 letter words:
conf9,
corf9,
afro7,
fano7,
faro7,
fora7,
arco6,
carn6,
corn6,
cran6,
narc6,
orca6,
roan4,
3 letter words:
arf6,
fan6,
far6,
fon6,
for6,
fra6,
fro6,
oaf6,
orf6,
arc5,
can5,
car5,
con5,
cor5,
oca5,
orc5,
roc5,
nor3,
oar3,
ora3,
ran3,
2 letter words:
fa5,
of5,
an2,
ar2,
na2,
no2,
on2,
or2,