6 letter words:
datcha12,
acanth11,
5 letter words:
dacha11,
chant10,
natch10,
adhan9,
thana8,
tacan7,
4 letter words:
chad10,
chat9,
nach9,
tach9,
hand8,
hant7,
taha7,
tanh7,
than7,
acta6,
cant6,
dant5,
data5,
nada5,
anta4,
tana4,
3 letter words:
ach8,
cha8,
dah7,
had7,
aah6,
aha6,
cad6,
han6,
hat6,
nah6,
nth6,
act5,
caa5,
can5,
cat5,
and4,
dan4,
tad4,
ana3,
ant3,
nat3,
tan3,
2 letter words:
ch7,
ah5,
ha5,
ad3,
da3,
aa2,
an2,
at2,
na2,
ta2,