-ic c-- ccc cce cci ccm cco ccs ce- cec cee cei cem ceo ces ci- cic cie cii cim cio cis cmc cme cmi cmm cmo cms co- coc coe coi com coo cos csc cse csi csm cso css ec- ecc ece eci ecm eco ecs eec eee eem eeo ees eic eie eii eim eio eis em- emc eme emi emm emo ems eo- eoc eoe eoi eom eoo eos es- esc ese esi esm eso ess icc ice ici icm ico ics ie- iec iee iei iem ies iic iie iii iim iio iis im- imc ime imi imm imo ims io- ioc ioe ioi iom ioo ios is- isc ise isi ism iso iss m-o mc- mcc mce mci mcm mco mcs mec mee mei mem meo mes mi- mic mie mii mim mio mis mmc mme mmi mmm mmo mms moc moe moi mom moo mos msc mse msi msm mso mss o-i oc- occ oci ocm oco ocs oec oee oei oem oeo oes oic oie oii oim oio ois om- omc ome omi omm omo oms oo- ooc ooi oom ooo oos os- osc ose osi osm oso oss scc sce sci scm sco scs se- sec see sei sem seo ses sic sie sii sim sio sis smc sme smi smm smo sms soc soe soi som soo sos ss- ssc sse ssi ssm sso sss