6 letter words:
amtrac10,
tarmac10,
5 letter words:
carat7,
4 letter words:
cram8,
marc8,
acta6,
atma6,
cart6,
maar6,
mara6,
mart6,
tram6,
3 letter words:
cam7,
mac7,
act5,
ama5,
arc5,
arm5,
car5,
cat5,
mar5,
mat5,
ram5,
tam5,
art3,
rat3,
tar3,
2 letter words:
am4,
ma4,
aa2,
ar2,
at2,
ta2,