7 letter words:
candida11,
antacid10,
actinia9,
6 letter words:
addict10,
candid10,
diacid10,
didact10,
indict9,
5 letter words:
canid8,
cnida8,
dicta8,
nicad8,
acini7,
actin7,
antic7,
naiad6,
nitid6,
4 letter words:
acid7,
cadi7,
caid7,
acta6,
cain6,
cant6,
dada6,
adit5,
data5,
dint5,
dita5,
nada5,
nidi5,
anta4,
anti4,
inia4,
inti4,
tain4,
3 letter words:
cad6,
act5,
add5,
can5,
cat5,
dad5,
did5,
tic5,
aid4,
and4,
dan4,
din4,
dit4,
tad4,
ain3,
ait3,
ana3,
ani3,
ant3,
nit3,
tan3,
tin3,
2 letter words:
ad3,
id3,
aa2,
ai2,
an2,
at2,
in2,
it2,
na2,
ta2,
ti2,