-er c-- ccc cce cch cck ccm cco ccr ce- cec cee ceh cek cem ceo cer ch- chc che chh chk chm cho chr ckc ckh ckm cko cmc cme cmh cmk cmm cmo cmr co- coc coe coh cok com coo cor crc cre crh crk crm cro crr ec- ecc ece ech eck ecm eco ecr eec eee eek eem eeo eer ehc ehe ehh ehm eho ehr ekc eke ekh eko ekr em- emc eme emh emk emm emo emr eo- eoc eoe eoh eok eom eoo eor erc ere erh erk erm ero err hcc hce hch hck hcm hco hcr he- hec hee heh hek hem heo her hhc hhe hhh hhk hhm hho hhr hkh hkk hkm hko hkr hmc hme hmh hmk hmm hmo hmr hoc hoe hoh hok hom hoo hor hr- hrc hre hrh hrk hrm hro hrr kcc kce kch kck kcm kcr ke- kec kee keh kek kem keo ker khe khh khk khm kho khr kkc kke kkh kkk kkm kkr kmc kme kmh kmk kmm kmo koc koe koh kok kom koo kor krc krk kro krr m-o m-r mc- mcc mce mch mck mcm mco mcr mec mee meh mek mem meo mer mhc mhh mhk mhm mho mhr mkc mke mkh mkk mkm mko mkr mmc mme mmh mmk mmm mmo mmr moc moe moh mok mom moo mor mrc mre mrh mrk mrm mro mrr oc- occ och ock ocm oco ocr oec oee oeh oem oeo oer ohc ohe ohh ohm oho ohr okc oke okk oko okr om- omc ome omh omm omo omr oo- ooc ooh ook oom ooo oor or- orc ore orh ork orm oro orr rcc rce rch rcm rco rcr re- rec ree reh rek rem reo rer rh- rhc rhe rhh rhm rho rhr rkc rke rkk rkm rko rmc rme rmh rmm rmo rmr roc roe roh rok rom roo ror rrc rrh rrk rrm rrr