5 letter words:
orach10,
roach10,
4 letter words:
arch9,
chao9,
char9,
rach9,
roch9,
haro7,
hoar7,
hora7,
arco6,
orca6,
3 letter words:
ach8,
cha8,
hoc8,
och8,
hao6,
hoa6,
rah6,
rho6,
arc5,
car5,
cor5,
oca5,
orc5,
roc5,
oar3,
ora3,
2 letter words:
ch7,
ah5,
ha5,
ho5,
oh5,
ar2,
or2,