-er -ic c-- ccc cce cci ccm cco ccp ccr ccs ce- cec cee cei cem ceo cep cer ces ci- cic cie cii cim cio cip cir cis cmc cme cmi cmm cmo cmp cmr cms co- coc coe coi com coo cop cor cos cpc cpe cpi cpm cpo cpp cpr cps crc cre cri crm cro crp crr crs csc cse csi csm cso csp csr css ec- ecc ece eci ecm eco ecr ecs eec eee eem eeo eep eer ees eic eie eii eim eio eip eir eis em- emc eme emi emm emo emp emr ems eo- eoc eoe eoi eom eoo eop eor eos ep- epc epe epi epm epo epp epr eps erc ere eri erm ero erp err ers es- esc ese esi esm eso esp esr ess icc ice ici icm ico icp icr ics ie- iec iee iei iem iep ier ies iic iie iii iim iio iip iir iis im- imc ime imi imm imo imp ims io- ioc ioe ioi iom ioo iop ior ios ipc ipe ipi ipm ipo ipp ipr ips ir- irc ire iri irm iro irp irr irs is- isc ise isi ism iso isp isr iss m-o m-r mc- mcc mce mci mcm mco mcp mcr mcs mec mee mei mem meo mep mer mes mi- mic mie mii mim mio mip mir mis mmc mme mmi mmm mmo mmp mmr mms moc moe moi mom moo mop mor mos mpc mpe mpi mpm mpo mpp mpr mps mrc mre mri mrm mro mrp mrr mrs msc mse msi msm mso msp msr mss o-i oc- occ oci ocm oco ocp ocr ocs oec oee oei oem oeo oep oer oes oic oie oii oim oio oip oir ois om- omc ome omi omm omo omp omr oms oo- ooc ooi oom ooo oop oor oos op- opc ope opi opm opo opp opr ops or- orc ore ori orm oro orp orr ors os- osc ose osi osm oso osp osr oss p-p pcc pce pci pcm pco pcp pcr pcs pec pee pei pem peo pep per pes pic pie pii pim pio pip pir pis pmc pme pmi pmm pmo pmp pmr pms poc poe poi pom poo pop por pos ppc ppe ppi ppm ppo ppp ppr pps prc pre pri prm pro prp prr prs ps- psc pse psi psm pso psp psr pss rcc rce rci rcm rco rcp rcr rcs re- rec ree rei rem reo rep rer res ric rie rii rim rio rip rir ris rmc rme rmi rmm rmo rmp rmr rms roc roe roi rom roo rop ror ros rpc rpe rpi rpm rpo rpp rpr rps rrc rri rrm rrp rrr rrs rsc rse rsi rsm rso rsp rsr rss scc sce sci scm sco scp scr scs se- sec see sei sem seo sep ser ses sic sie sii sim sio sip sir sis smc sme smi smm smo smp smr sms soc soe soi som soo sop sor sos spc spe spi spm spo spp spr sps sr- src sre sri srm sro srp srr srs ss- ssc sse ssi ssm sso ssp ssr sss