9 letter words:
cockroach22,
6 letter words:
chocko17,
chokra15,
caroch13,
5 letter words:
chack16,
chock16,
chark14,
choko14,
chook14,
acock13,
crack13,
crock13,
chaco12,
choco12,
coach12,
cooch12,
hooka12,
cocco11,
croak11,
crook11,
achoo10,
orach10,
roach10,
cocoa9,
karoo9,
4 letter words:
hack13,
hock13,
cock12,
choc11,
coch11,
hark11,
hoka11,
hook11,
khor11,
koha11,
cark10,
cook10,
cork10,
rack10,
rock10,
arch9,
chao9,
char9,
coho9,
rach9,
roch9,
coca8,
coco8,
croc8,
karo8,
kora8,
koro8,
okra8,
rook8,
haro7,
hoar7,
hora7,
arco6,
orca6,
3 letter words:
ach8,
cha8,
hoc8,
och8,
ark7,
koa7,
kor7,
oak7,
oka7,
rok7,
hao6,
hoa6,
hoo6,
oho6,
ooh6,
rah6,
rho6,
arc5,
car5,
coo5,
cor5,
oca5,
orc5,
roc5,
oar3,
oor3,
ora3,
roo3,
2 letter words:
ch7,
ka6,
ko6,
ah5,
ha5,
ho5,
oh5,
ar2,
oo2,
or2,