c-- c-j ccc cch ccj cck ccn cco ch- chc chh chk chn cho cjc cjk ckc ckh cko cn- cnc cnh cnj cnn cno co- coc coh coj cok con coo hcc hch hcj hck hcn hco hhc hhh hhj hhk hhn hho hjk hjn hjo hkh hkk hkn hko hnc hnh hnj hnk hnn hno hoc hoh hok hon hoo jcc jch jck jco jhc jhj jhn jho jjc jjj jjk jkh jkk jkn jko jnc jnh jnj jnn jno joc joh joj jok jon joo kcc kch kck kcn khh khj khk khn kho kjc kkc kkh kkk kkn kn- knc knk knn kno koc koh kok kon koo ncc nch nck ncn nco nhc nhh nhj nhk nhn njc njk njn nkc nkj nkk nkn nko nnc nnh nnk nnn nno no- noc noh noj nok non noo oc- occ och ocj ock ocn oco ohc ohh ohn oho ojc ojo okc okj okk oko on- onc onh onj onk onn ono oo- ooc ooh ook oon ooo