6 letter words:
choral11,
5 letter words:
chalk14,
chark14,
cloak11,
croak11,
chola10,
larch10,
loach10,
orach10,
roach10,
horal8,
carol7,
claro7,
coral7,
4 letter words:
hack13,
hock13,
hark11,
holk11,
kohl11,
lakh11,
calk10,
cark10,
cork10,
lack10,
lock10,
rack10,
rock10,
arch9,
chao9,
char9,
loch9,
kola8,
kora8,
lark8,
okra8,
halo7,
harl7,
hoar7,
hora7,
arco6,
calo6,
carl6,
coal6,
cola6,
loca6,
orca6,
oral4,
3 letter words:
ark7,
koa7,
kor7,
oak7,
oka7,
hao6,
rah6,
rho6,
arc5,
car5,
col5,
cor5,
lac5,
oca5,
orc5,
roc5,
lar3,
oar3,
ora3,
2 letter words:
ka6,
ah5,
ha5,
ho5,
oh5,
al2,
ar2,
la2,
lo2,
or2,