-ic c-- ccc cci cck ccn cco ccp ccr ci- cic cii cik cin cio cip cir ckc cki cko cn- cnc cni cnn cno cnp cnr co- coc coi cok con coo cop cor cpc cpi cpk cpn cpo cpp cpr crc cri crk crn cro crp crr icc ici ick icn ico icp icr iic iii iin iio iip iir ikc iki ikk iko ikr in- inc ini ink inn ino inp inr io- ioc ioi ion ioo iop ior ipc ipi ipn ipo ipp ipr ir- irc iri irk irn iro irp irr kcc kci kck kcn kcp kcr kic kii kik kin kio kip kir kkc kki kkk kkn kkp kkr kn- knc kni knk knn kno knp knr koc koi kok kon koo kop kor kpc kpi kpk kpn kpo kpp kpr krc kri krk krn kro krp krr n-i ncc nci nck ncn nco ncp ncr nic nii nik nin nio nip nir nkc nki nkk nkn nko nkp nkr nnc nni nnk nnn nno nnp no- noc noi nok non noo nop nor npc npi npn npo npp npr nrc nri nrk nrn nro nrp nrr o-i oc- occ oci ock ocn oco ocp ocr oic oii oik oin oio oip oir okc oki okk oko okp okr on- onc oni onk onn ono onp onr oo- ooc ooi ook oon ooo oop oor op- opc opi opk opn opo opp opr or- orc ori ork orn oro orp orr p-p pcc pci pck pcn pco pcp pcr pic pii pik pin pio pip pir pkc pki pkn pko pkp pkr pn- pnc pni pnk pnn pno pnp pnr poc poi pok pon poo pop por ppc ppi ppk ppn ppo ppp ppr prc pri prk prn pro prp prr rcc rci rcn rco rcp rcr ric rii rik rin rio rip rir rkc rkk rko rkp rnc rni rnn rno rnp rnr roc roi rok ron roo rop ror rpc rpi rpk rpn rpo rpp rpr rrc rri rrk rrn rrp rrr