-ic c-- ccc cce cci cck ccm cco ccp ce- cec cee cei cek cem ceo cep ci- cic cie cii cik cim cio cip ckc cki ckm cko cmc cme cmi cmk cmm cmo cmp co- coc coe coi cok com coo cop cpc cpe cpi cpk cpm cpo cpp ec- ecc ece eci eck ecm eco eec eee eek eem eeo eep eic eie eii eik eim eio eip ekc eke eki eko ekp em- emc eme emi emk emm emo emp eo- eoc eoe eoi eok eom eoo eop ep- epc epe epi epm epo epp icc ice ici ick icm ico icp ie- iec iee iei iek iem iep iic iie iii iim iio iip ikc ike iki ikk iko im- imc ime imi imm imo imp io- ioc ioe ioi iom ioo iop ipc ipe ipi ipm ipo ipp kcc kce kci kck kcm kcp ke- kec kee kei kek kem keo kep kic kie kii kik kim kio kip kkc kke kki kkk kkm kkp kmc kme kmi kmk kmm kmo kmp koc koe koi kok kom koo kop kpc kpe kpi kpk kpm kpo kpp m-o mc- mcc mce mci mck mcm mco mcp mec mee mei mek mem meo mep mi- mic mie mii mik mim mio mip mkc mke mkk mkm mko mkp mmc mme mmi mmk mmm mmo mmp moc moe moi mok mom moo mop mpc mpe mpi mpk mpm mpo mpp o-i oc- occ oci ock ocm oco ocp oec oee oei oem oeo oep oic oie oii oik oim oio oip okc oke oki okk oko okp om- omc ome omi omm omo omp oo- ooc ooi ook oom ooo oop op- opc ope opi opk opm opo opp p-p pcc pce pci pck pcm pco pcp pec pee pei pek pem peo pep pic pie pii pik pim pio pip pkc pke pki pkm pko pkp pmc pme pmi pmk pmm pmo pmp poc poe poi pok pom poo pop ppc ppe ppi ppk ppm ppo ppp