-er -ic c-- ccc ccd cce cci ccm ccp ccr ccs cdc cdd cde cdi cdm cdp cdr cds ce- cec ced cee cei cem cep cer ces ci- cic cid cie cii cim cip cir cis cmc cmd cme cmi cmm cmp cmr cms cpc cpd cpe cpi cpm cpp cpr cps crc crd cre cri crm crp crr crs csc csd cse csi csm csp csr css dcc dcd dce dci dcm dcp dcr dcs ddc ddd dde ddi ddm ddp ddr dds de- dec ded dee dei dem dep der des di- dic did die dii dim dip dir dis dmc dmd dme dmi dmm dmp dmr dms dpc dpd dpe dpi dpm dpp dpr dps drc drd dre dri drm drp drr drs dsc dsd dse dsi dsm dsp dsr dss ec- ecc ecd ece eci ecm ecr ecs ed- edc edd ede edi edm edp edr eds eec eed eee eem eep eer ees eic eid eie eii eim eip eir eis em- emc emd eme emi emm emp emr ems ep- epc epd epe epi epm epp epr eps erc erd ere eri erm erp err ers es- esc esd ese esi esm esp esr ess i-d icc icd ice ici icm icp icr ics idc idd ide idi idm idp idr ids ie- iec ied iee iei iem iep ier ies iic iid iie iii iim iip iir iis im- imc imd ime imi imm imp ims ipc ipd ipe ipi ipm ipp ipr ips ir- irc ird ire iri irm irp irr irs is- isc isd ise isi ism isp isr iss m-r mc- mcc mcd mce mci mcm mcp mcr mcs mdc mdd mde mdi mdm mdp mdr mds mec med mee mei mem mep mer mes mi- mic mid mie mii mim mip mir mis mmc mmd mme mmi mmm mmp mmr mms mpc mpd mpe mpi mpm mpp mpr mps mrc mrd mre mri mrm mrp mrr mrs msc msd mse msi msm msp msr mss p-p pcc pcd pce pci pcm pcp pcr pcs pdc pdd pde pdi pdm pdp pdr pds pec ped pee pei pem pep per pes pic pid pie pii pim pip pir pis pmc pmd pme pmi pmm pmp pmr pms ppc ppd ppe ppi ppm ppp ppr pps prc prd pre pri prm prp prr prs ps- psc psd pse psi psm psp psr pss rcc rcd rce rci rcm rcp rcr rcs rdc rdd rde rdi rdm rdp rdr rds re- rec red ree rei rem rep rer res ric rid rie rii rim rip rir ris rmc rmd rme rmi rmm rmp rmr rms rpc rpd rpe rpi rpm rpp rpr rps rrc rrd rri rrm rrp rrr rrs rsc rsd rse rsi rsm rsp rsr rss scc scd sce sci scm scp scr scs sdc sdd sde sdi sdm sdp sdr sds se- sec sed see sei sem sep ser ses sic sid sie sii sim sip sir sis smc smd sme smi smm smp smr sms spc spd spe spi spm spp spr sps sr- src srd sre sri srm srp srr srs ss- ssc ssd sse ssi ssm ssp ssr sss