c-- c-j ccc cch ccj ccn cco ch- chc chh chn cho cjc cn- cnc cnh cnj cnn cno co- coc coh coj con coo hcc hch hcj hcn hco hhc hhh hhj hhn hho hjn hjo hnc hnh hnj hnn hno hoc hoh hon hoo jcc jch jco jhc jhj jhn jho jjc jjj jnc jnh jnj jnn jno joc joh joj jon joo ncc nch ncn nco nhc nhh nhj nhn njc njn nnc nnh nnn nno no- noc noh noj non noo oc- occ och ocj ocn oco ohc ohh ohn oho ojc ojo on- onc onh onj onn ono oo- ooc ooh oon ooo