4 letter words:
fand8,
find8,
abid7,
band7,
bind7,
fain7,
naif7,
bani6,
3 letter words:
fab8,
fib8,
dif7,
fad7,
fid7,
bad6,
bid6,
dab6,
dib6,
fan6,
fin6,
ban5,
bin5,
nab5,
nib5,
aid4,
and4,
dan4,
din4,
nid4,
ain3,
ani3,
2 letter words:
fa5,
if5,
ab4,
ba4,
bi4,
ad3,
da3,
di3,
id3,
ai2,
an2,
in2,
na2,