12 letter words:
chromatogram22,
9 letter words:
cartogram14,
8 letter words:
achromat15,
chatroom15,
trachoma15,
tomogram13,
motorcar12,
7 letter words:
commata13,
catarrh12,
grammar12,
trochar12,
agoroth11,
camorra11,
marcato11,
tramcar11,
6 letter words:
chroma13,
chromo13,
gotcha12,
graham12,
cahoot11,
charro11,
cohort11,
gramma11,
aarrgh10,
amtrac10,
carrom10,
marmot10,
marram10,
tarmac10,
carrot8,
mortar8,
trocar8,
agorot7,
orator6,
5 letter words:
charm12,
macho12,
march12,
match12,
mocha12,
mooch12,
cohog11,
comma11,
ogham11,
achoo10,
charr10,
chart10,
gamma10,
magma10,
orach10,
ratch10,
roach10,
rotch10,
tharm10,
torch10,
aargh9,
carom9,
garth9,
macro9,
arhat8,
cargo8,
grama8,
groom8,
magot8,
ortho8,
thoro8,
torah8,
actor7,
amort7,
armor7,
aroma7,
carat7,
morro7,
motor7,
taroc7,
agora6,
argot6,
gator6,
groat6,
aorta5,
rotor5,
4 letter words:
cham11,
mach11,
amah9,
arch9,
chao9,
char9,
chat9,
coho9,
harm9,
homo9,
math9,
moth9,
tach9,
agha8,
ammo8,
camo8,
coma8,
corm8,
cram8,
ghat8,
goth8,
mama8,
marc8,
agma7,
crag7,
gama7,
gorm7,
gram7,
haar7,
hart7,
hoar7,
hoot7,
hora7,
oath7,
ogam7,
rath7,
tahr7,
thro7,
acta6,
arco6,
atma6,
atom6,
carr6,
cart6,
coat6,
coot6,
maar6,
mara6,
mart6,
moat6,
moor6,
moot6,
mora6,
mort6,
orca6,
roam6,
room6,
taco6,
toom6,
torc6,
tram6,
agar5,
goat5,
grat5,
grot5,
raga5,
toga5,
trog5,
orra4,
rato4,
roar4,
root4,
rota4,
roto4,
taro4,
tora4,
toro4,
torr4,
3 letter words:
hmm10,
ham8,
mho8,
ohm8,
cam7,
hag7,
hog7,
mac7,
moc7,
mom7,
aah6,
aha6,
cog6,
gam6,
hao6,
hat6,
hot6,
mag6,
mog6,
oho6,
ooh6,
rah6,
rho6,
tho6,
act5,
ama5,
arc5,
arm5,
car5,
cat5,
coo5,
cor5,
cot5,
mar5,
mat5,
moa5,
moo5,
mor5,
mot5,
oca5,
orc5,
ram5,
roc5,
rom5,
tam5,
tom5,
aga4,
ago4,
gar4,
gat4,
goa4,
goo4,
gor4,
got4,
rag4,
tag4,
tog4,
art3,
oar3,
oat3,
oot3,
ora3,
ort3,
rat3,
rot3,
tao3,
tar3,
too3,
tor3,
2 letter words:
hm7,
mm6,
ah5,
ha5,
ho5,
oh5,
am4,
ma4,
mo4,
om4,
ag3,
go3,
aa2,
ar2,
at2,
or2,
ta2,
to2,
