c-- ccc cce cch cck ccm cco ccs ce- cec cee ceh cek cem ceo ces ch- chc che chh chk chm cho chs ckc ckh ckm cko cks cmc cme cmh cmk cmm cmo cms co- coc coe coh cok com coo cos csc cse csh csk csm cso css ec- ecc ece ech eck ecm eco ecs eec eee eek eem eeo ees ehc ehe ehh ehm eho ehs ekc eke ekh eko eks em- emc eme emh emk emm emo ems eo- eoc eoe eoh eok eom eoo eos es- esc ese esh esk esm eso ess hcc hce hch hck hcm hco hcs he- hec hee heh hek hem heo hes hhc hhe hhh hhk hhm hho hhs hkh hkk hkm hko hks hmc hme hmh hmk hmm hmo hms hoc hoe hoh hok hom hoo hos hsc hse hsh hsk hsm hss kcc kce kch kck kcm kcs ke- kec kee keh kek kem keo kes khe khh khk khm kho khs kkc kke kkh kkk kkm kks kmc kme kmh kmk kmm kmo kms koc koe koh kok kom koo kos ksc kse ksh ksk ksm kso kss m-o mc- mcc mce mch mck mcm mco mcs mec mee meh mek mem meo mes mhc mhh mhk mhm mho mhs mkc mke mkh mkk mkm mko mks mmc mme mmh mmk mmm mmo mms moc moe moh mok mom moo mos msc mse msh msk msm mso mss oc- occ och ock ocm oco ocs oec oee oeh oem oeo oes ohc ohe ohh ohm oho ohs okc oke okk oko oks om- omc ome omh omm omo oms oo- ooc ooh ook oom ooo oos os- osc ose osh osk osm oso oss scc sce sch sck scm sco scs se- sec see seh sek sem seo ses sh- shc she shh shk shm sho shs sk- skc ske skh skk skm sko sks smc sme smh smk smm smo sms soc soe soh sok som soo sos ss- ssc sse ssh ssk ssm sso sss