-er -ey c-- ccc cce cch ccm cco ccr ce- cec cee ceh cem ceo cer cey ch- chc che chh chm cho chr chy cmc cme cmh cmm cmo cmr cmy co- coc coe coh com coo cor coy crc cre crh crm cro crr cry cyc cye cym cyo cyr ec- ecc ece ech ecm eco ecr eec eee eem eeo eer eey ehc ehe ehh ehm eho ehr em- emc eme emh emm emo emr eo- eoc eoe eoh eom eoo eor erc ere erh erm ero err ery eyc eye eym eyo eyr hcc hce hch hcm hco hcr hcy he- hec hee heh hem heo her hey hhc hhe hhh hhm hho hhr hhy hmc hme hmh hmm hmo hmr hmy hoc hoe hoh hom hoo hor hoy hr- hrc hre hrh hrm hro hrr hy- hyc hye hyh hym hyo hyr hyy m-o m-r mc- mcc mce mch mcm mco mcr mec mee meh mem meo mer mey mhc mhh mhm mho mhr mmc mme mmh mmm mmo mmr moc moe moh mom moo mor moy mrc mre mrh mrm mro mrr mry my- myc mye myh mym myo myr oc- occ och ocm oco ocr oec oee oeh oem oeo oer oey ohc ohe ohh ohm oho ohr om- omc ome omh omm omo omr omy oo- ooc ooh oom ooo oor or- orc ore orh orm oro orr ory oye oyo rcc rce rch rcm rco rcr re- rec ree reh rem reo rer rey rh- rhc rhe rhh rhm rho rhr rmc rme rmh rmm rmo rmr roc roe roh rom roo ror roy rrc rrh rrm rrr ry- ryc rye rym ryo ryr ryy ycc yce ych yco ycy yec yee yeh yem yeo yer yey yhc yhe ymc yme ymm ymo yoc yoe yom yoo yor yoy yrc yre yro yyc yye yyy