-ic c-- ccc cci ccn cco ccp ccr ccs ci- cic cii cin cio cip cir cis cn- cnc cni cnn cno cnp cnr cns co- coc coi con coo cop cor cos cpc cpi cpn cpo cpp cpr cps crc cri crn cro crp crr crs csc csi csn cso csp csr css icc ici icn ico icp icr ics iic iii iin iio iip iir iis in- inc ini inn ino inp inr ins io- ioc ioi ion ioo iop ior ios ipc ipi ipn ipo ipp ipr ips ir- irc iri irn iro irp irr irs is- isc isi isn iso isp isr iss n-i ncc nci ncn nco ncp ncr ncs nic nii nin nio nip nir nis nnc nni nnn nno nnp nns no- noc noi non noo nop nor nos npc npi npn npo npp npr nps nrc nri nrn nro nrp nrr nrs nsc nsi nsn nso nsp nsr nss o-i oc- occ oci ocn oco ocp ocr ocs oic oii oin oio oip oir ois on- onc oni onn ono onp onr ons oo- ooc ooi oon ooo oop oor oos op- opc opi opn opo opp opr ops or- orc ori orn oro orp orr ors os- osc osi osn oso osp osr oss p-p pcc pci pcn pco pcp pcr pcs pic pii pin pio pip pir pis pn- pnc pni pnn pno pnp pnr pns poc poi pon poo pop por pos ppc ppi ppn ppo ppp ppr pps prc pri prn pro prp prr prs ps- psc psi psn pso psp psr pss rcc rci rcn rco rcp rcr rcs ric rii rin rio rip rir ris rnc rni rnn rno rnp rnr rns roc roi ron roo rop ror ros rpc rpi rpn rpo rpp rpr rps rrc rri rrn rrp rrr rrs rsc rsi rsn rso rsp rsr rss scc sci scn sco scp scr scs sic sii sin sio sip sir sis snc sni snn sno snp snr sns soc soi son soo sop sor sos spc spi spn spo spp spr sps sr- src sri srn sro srp srr srs ss- ssc ssi ssn sso ssp ssr sss