-ic c-- ccc cci cck ccn cco ccp ccr ccs ci- cic cii cik cin cio cip cir cis ckc cki cko cks cn- cnc cni cnn cno cnp cnr cns co- coc coi cok con coo cop cor cos cpc cpi cpk cpn cpo cpp cpr cps crc cri crk crn cro crp crr crs csc csi csk csn cso csp csr css icc ici ick icn ico icp icr ics iic iii iin iio iip iir iis ikc iki ikk iko ikr iks in- inc ini ink inn ino inp inr ins io- ioc ioi ion ioo iop ior ios ipc ipi ipn ipo ipp ipr ips ir- irc iri irk irn iro irp irr irs is- isc isi isk isn iso isp isr iss kcc kci kck kcn kcp kcr kcs kic kii kik kin kio kip kir kis kkc kki kkk kkn kkp kkr kks kn- knc kni knk knn kno knp knr koc koi kok kon koo kop kor kos kpc kpi kpk kpn kpo kpp kpr kps krc kri krk krn kro krp krr krs ksc ksi ksk ksn kso ksp ksr kss n-i ncc nci nck ncn nco ncp ncr ncs nic nii nik nin nio nip nir nis nkc nki nkk nkn nko nkp nkr nks nnc nni nnk nnn nno nnp nns no- noc noi nok non noo nop nor nos npc npi npn npo npp npr nps nrc nri nrk nrn nro nrp nrr nrs nsc nsi nsk nsn nso nsp nsr nss o-i oc- occ oci ock ocn oco ocp ocr ocs oic oii oik oin oio oip oir ois okc oki okk oko okp okr oks on- onc oni onk onn ono onp onr ons oo- ooc ooi ook oon ooo oop oor oos op- opc opi opk opn opo opp opr ops or- orc ori ork orn oro orp orr ors os- osc osi osk osn oso osp osr oss p-p pcc pci pck pcn pco pcp pcr pcs pic pii pik pin pio pip pir pis pkc pki pkn pko pkp pkr pks pn- pnc pni pnk pnn pno pnp pnr pns poc poi pok pon poo pop por pos ppc ppi ppk ppn ppo ppp ppr pps prc pri prk prn pro prp prr prs ps- psc psi psk psn pso psp psr pss rcc rci rcn rco rcp rcr rcs ric rii rik rin rio rip rir ris rkc rkk rko rkp rks rnc rni rnn rno rnp rnr rns roc roi rok ron roo rop ror ros rpc rpi rpk rpn rpo rpp rpr rps rrc rri rrk rrn rrp rrr rrs rsc rsi rsk rsn rso rsp rsr rss scc sci sck scn sco scp scr scs sic sii sik sin sio sip sir sis sk- skc ski skk sko skp skr sks snc sni snk snn sno snp snr sns soc soi sok son soo sop sor sos spc spi spk spn spo spp spr sps sr- src sri srk srn sro srp srr srs ss- ssc ssi ssk ssn sso ssp ssr sss