c-- ccc cch ccn cco ccp ccs ch- chc chh chn cho chp chs cn- cnc cnh cnn cno cnp cns co- coc coh con coo cop cos cpc cph cpn cpo cpp cps csc csh csn cso csp css hcc hch hcn hco hcp hcs hhc hhh hhn hho hhp hhs hnc hnh hnn hno hns hoc hoh hon hoo hop hos hpc hph hpn hpo hpp hps hsc hsh hsn hsp hss ncc nch ncn nco ncp ncs nhc nhh nhn nhp nhs nnc nnh nnn nno nnp nns no- noc noh non noo nop nos npc nph npn npo npp nps nsc nsh nsn nso nsp nss oc- occ och ocn oco ocp ocs ohc ohh ohn oho ohp ohs on- onc onh onn ono onp ons oo- ooc ooh oon ooo oop oos op- opc oph opn opo opp ops os- osc osh osn oso osp oss p-p pcc pch pcn pco pcp pcs phc phn pho php phs pn- pnc pnh pnn pno pnp pns poc poh pon poo pop pos ppc pph ppn ppo ppp pps ps- psc psh psn pso psp pss scc sch scn sco scp scs sh- shc shh shn sho shp shs snc snn sno snp sns soc soh son soo sop sos spc sph spn spo spp sps ss- ssc ssh ssn sso ssp sss