-ic -ol c-- ccc cce cci cck ccl cco ccp ce- cec cee cei cek cel ceo cep ci- cic cie cii cik cil cio cip ckc cki cko cl- clc cle cli clk cll clo clp co- coc coe coi cok col coo cop cpc cpe cpi cpk cpl cpo cpp ec- ecc ece eci eck ecl eco eec eee eek eel eeo eep eic eie eii eik eil eio eip ekc eke eki ekl eko ekp elc ele eli elk ell elo elp eo- eoc eoe eoi eok eol eoo eop ep- epc epe epi epl epo epp icc ice ici ick icl ico icp ie- iec iee iei iek iel iep iic iie iii iil iio iip ikc ike iki ikk ikl iko il- ilc ile ili ilk ill ilo ilp io- ioc ioe ioi iol ioo iop ipc ipe ipi ipl ipo ipp kcc kce kci kck kcl kcp ke- kec kee kei kek kel keo kep kic kie kii kik kil kio kip kkc kke kki kkk kkl kkp kl- klc kli klo koc koe koi kok kol koo kop kpc kpe kpi kpk kpl kpo kpp l-p lcc lce lci lck lcl lco lcp lec lee lei lek lel leo lep lic lie lii lik lil lio lip lkl lkp llc lle lli llk lll llo llp loc loe loi lok lol loo lop lpc lpe lpi lpk lpl lpo lpp o-i oc- occ oci ock ocl oco ocp oec oee oei oel oeo oep oic oie oii oik oil oio oip okc oke oki okk okl oko okp olc ole oli olk oll olo olp oo- ooc ooi ook ool ooo oop op- opc ope opi opk opl opo opp p-p pcc pce pci pck pcl pco pcp pec pee pei pek pel peo pep pic pie pii pik pil pio pip pkc pke pki pkl pko pkp plc ple pli plk pll plo plp poc poe poi pok pol poo pop ppc ppe ppi ppk ppl ppo ppp