-er -ic c-- ccc ccd cce cci ccm cco ccp ccr ccs cdc cdd cde cdi cdm cdo cdp cdr cds ce- cec ced cee cei cem ceo cep cer ces ci- cic cid cie cii cim cio cip cir cis cmc cmd cme cmi cmm cmo cmp cmr cms co- coc cod coe coi com coo cop cor cos cpc cpd cpe cpi cpm cpo cpp cpr cps crc crd cre cri crm cro crp crr crs csc csd cse csi csm cso csp csr css dcc dcd dce dci dcm dco dcp dcr dcs ddc ddd dde ddi ddm ddo ddp ddr dds de- dec ded dee dei dem deo dep der des di- dic did die dii dim dio dip dir dis dmc dmd dme dmi dmm dmo dmp dmr dms doc dod doe doi dom doo dop dor dos dpc dpd dpe dpi dpm dpo dpp dpr dps drc drd dre dri drm dro drp drr drs dsc dsd dse dsi dsm dso dsp dsr dss ec- ecc ecd ece eci ecm eco ecr ecs ed- edc edd ede edi edm edo edp edr eds eec eed eee eem eeo eep eer ees eic eid eie eii eim eio eip eir eis em- emc emd eme emi emm emo emp emr ems eo- eoc eod eoe eoi eom eoo eop eor eos ep- epc epd epe epi epm epo epp epr eps erc erd ere eri erm ero erp err ers es- esc esd ese esi esm eso esp esr ess i-d icc icd ice ici icm ico icp icr ics idc idd ide idi idm ido idp idr ids ie- iec ied iee iei iem iep ier ies iic iid iie iii iim iio iip iir iis im- imc imd ime imi imm imo imp ims io- ioc iod ioe ioi iom ioo iop ior ios ipc ipd ipe ipi ipm ipo ipp ipr ips ir- irc ird ire iri irm iro irp irr irs is- isc isd ise isi ism iso isp isr iss m-o m-r mc- mcc mcd mce mci mcm mco mcp mcr mcs mdc mdd mde mdi mdm mdo mdp mdr mds mec med mee mei mem meo mep mer mes mi- mic mid mie mii mim mio mip mir mis mmc mmd mme mmi mmm mmo mmp mmr mms moc mod moe moi mom moo mop mor mos mpc mpd mpe mpi mpm mpo mpp mpr mps mrc mrd mre mri mrm mro mrp mrr mrs msc msd mse msi msm mso msp msr mss o-i oc- occ ocd oci ocm oco ocp ocr ocs odc odd ode odi odm odo odp odr ods oec oed oee oei oem oeo oep oer oes oic oid oie oii oim oio oip oir ois om- omc omd ome omi omm omo omp omr oms oo- ooc ood ooi oom ooo oop oor oos op- opc opd ope opi opm opo opp opr ops or- orc ord ore ori orm oro orp orr ors os- osc osd ose osi osm oso osp osr oss p-p pcc pcd pce pci pcm pco pcp pcr pcs pdc pdd pde pdi pdm pdo pdp pdr pds pec ped pee pei pem peo pep per pes pic pid pie pii pim pio pip pir pis pmc pmd pme pmi pmm pmo pmp pmr pms poc pod poe poi pom poo pop por pos ppc ppd ppe ppi ppm ppo ppp ppr pps prc prd pre pri prm pro prp prr prs ps- psc psd pse psi psm pso psp psr pss rcc rcd rce rci rcm rco rcp rcr rcs rdc rdd rde rdi rdm rdo rdp rdr rds re- rec red ree rei rem reo rep rer res ric rid rie rii rim rio rip rir ris rmc rmd rme rmi rmm rmo rmp rmr rms roc rod roe roi rom roo rop ror ros rpc rpd rpe rpi rpm rpo rpp rpr rps rrc rrd rri rrm rrp rrr rrs rsc rsd rse rsi rsm rso rsp rsr rss scc scd sce sci scm sco scp scr scs sdc sdd sde sdi sdm sdo sdp sdr sds se- sec sed see sei sem seo sep ser ses sic sid sie sii sim sio sip sir sis smc smd sme smi smm smo smp smr sms soc sod soe soi som soo sop sor sos spc spd spe spi spm spo spp spr sps sr- src srd sre sri srm sro srp srr srs ss- ssc ssd sse ssi ssm sso ssp ssr sss