-er -ic c-- ccc cce cch cci cck ccm cco ccr ce- cec cee ceh cei cek cem ceo cer ch- chc che chh chi chk chm cho chr ci- cic cie cih cii cik cim cio cir ckc ckh cki ckm cko cmc cme cmh cmi cmk cmm cmo cmr co- coc coe coh coi cok com coo cor crc cre crh cri crk crm cro crr ec- ecc ece ech eci eck ecm eco ecr eec eee eek eem eeo eer ehc ehe ehh ehi ehm eho ehr eic eie eii eik eim eio eir ekc eke ekh eki eko ekr em- emc eme emh emi emk emm emo emr eo- eoc eoe eoh eoi eok eom eoo eor erc ere erh eri erk erm ero err h-i hcc hce hch hci hck hcm hco hcr he- hec hee heh hei hek hem heo her hhc hhe hhh hhi hhk hhm hho hhr hic hie hih hii hik him hio hir hkh hki hkk hkm hko hkr hmc hme hmh hmi hmk hmm hmo hmr hoc hoe hoh hoi hok hom hoo hor hr- hrc hre hrh hri hrk hrm hro hrr icc ice ich ici ick icm ico icr ie- iec iee iei iek iem ier ihc ihe ihh ihi ihk ihm iho ihr iic iie iih iii iim iio iir ikc ike iki ikk iko ikr im- imc ime imh imi imm imo io- ioc ioe ioh ioi iom ioo ior ir- irc ire iri irk irm iro irr kcc kce kch kci kck kcm kcr ke- kec kee keh kei kek kem keo ker khe khh khi khk khm kho khr kic kie kih kii kik kim kio kir kkc kke kkh kki kkk kkm kkr kmc kme kmh kmi kmk kmm kmo koc koe koh koi kok kom koo kor krc kri krk kro krr m-o m-r mc- mcc mce mch mci mck mcm mco mcr mec mee meh mei mek mem meo mer mhc mhh mhi mhk mhm mho mhr mi- mic mie mih mii mik mim mio mir mkc mke mkh mkk mkm mko mkr mmc mme mmh mmi mmk mmm mmo mmr moc moe moh moi mok mom moo mor mrc mre mrh mri mrk mrm mro mrr o-i oc- occ och oci ock ocm oco ocr oec oee oeh oei oem oeo oer ohc ohe ohh ohi ohm oho ohr oic oie oii oik oim oio oir okc oke oki okk oko okr om- omc ome omh omi omm omo omr oo- ooc ooh ooi ook oom ooo oor or- orc ore orh ori ork orm oro orr rcc rce rch rci rcm rco rcr re- rec ree reh rei rek rem reo rer rh- rhc rhe rhh rhi rhm rho rhr ric rie rih rii rik rim rio rir rkc rke rkk rkm rko rmc rme rmh rmi rmm rmo rmr roc roe roh roi rok rom roo ror rrc rrh rri rrk rrm rrr