7 letter words:
catarrh12,
tramcar11,
6 letter words:
amtrac10,
tarmac10,
5 letter words:
charm12,
march12,
match12,
charr10,
chart10,
ratch10,
tharm10,
arhat8,
carat7,
4 letter words:
cham11,
mach11,
amah9,
arch9,
char9,
chat9,
harm9,
math9,
tach9,
cram8,
marc8,
haar7,
hart7,
rath7,
tahr7,
acta6,
atma6,
carr6,
cart6,
maar6,
mara6,
mart6,
tram6,
3 letter words:
ham8,
cam7,
mac7,
aah6,
aha6,
hat6,
rah6,
act5,
ama5,
arc5,
arm5,
car5,
cat5,
mar5,
mat5,
ram5,
tam5,
art3,
rat3,
tar3,
2 letter words:
hm7,
ah5,
ha5,
am4,
ma4,
aa2,
ar2,
at2,
ta2,