-er -ic c-- ccc ccd cce cci ccl ccn ccp ccr ccs cdc cdd cde cdi cdl cdn cdp cdr cds ce- cec ced cee cei cel cen cep cer ces ci- cic cid cie cii cil cin cip cir cis cl- clc cld cle cli cll cln clp clr cls cn- cnc cnd cne cni cnl cnn cnp cnr cns cpc cpd cpe cpi cpl cpn cpp cpr cps crc crd cre cri crl crn crp crr crs csc csd cse csi csl csn csp csr css dcc dcd dce dci dcl dcn dcp dcr dcs ddc ddd dde ddi ddl ddn ddp ddr dds de- dec ded dee dei del den dep der des di- dic did die dii dil din dip dir dis dl- dlc dld dle dli dll dlp dlr dls dnc dnd dne dni dnl dnn dnp dnr dns dpc dpd dpe dpi dpl dpn dpp dpr dps drc drd dre dri drl drn drp drr drs dsc dsd dse dsi dsl dsn dsp dsr dss ec- ecc ecd ece eci ecl ecn ecr ecs ed- edc edd ede edi edl edn edp edr eds eec eed eee eel een eep eer ees eic eid eie eii eil ein eip eir eis elc eld ele eli ell eln elp elr els en- enc end ene eni enl enn enp enr ens ep- epc epd epe epi epl epn epp epr eps erc erd ere eri erl ern erp err ers es- esc esd ese esi esl esn esp esr ess i-d icc icd ice ici icl icn icp icr ics idc idd ide idi idl idn idp idr ids ie- iec ied iee iei iel ien iep ier ies iic iid iie iii iil iin iip iir iis il- ilc ild ile ili ill iln ilp ilr ils in- inc ind ine ini inl inn inp inr ins ipc ipd ipe ipi ipl ipn ipp ipr ips ir- irc ird ire iri irl irn irp irr irs is- isc isd ise isi isl isn isp isr iss l-p lcc lcd lce lci lcl lcn lcp lcr lcs ldc ldd lde ldi ldl ldn ldp ldr lds lec led lee lei lel len lep ler les lic lid lie lii lil lin lip lir lis llc lld lle lli lll lln llp llr lls lnc lnd lne lni lnl lnn lnp lnr lns lpc lpd lpe lpi lpl lpn lpp lpr lps lrc lrd lri lrn lrp lrr lrs lsc lsd lse lsi lsl lsn lsp lsr lss n-i ncc ncd nce nci ncl ncn ncp ncr ncs ndc ndd nde ndi ndl ndn ndp ndr nds ne- nec ned nee nei nel nen nep ner nes nic nid nie nii nil nin nip nir nis nlc nld nle nli nll nln nlp nlr nls nnc nne nni nnl nnn nnp nns npc npd npe npi npl npn npp npr nps nrc nrd nre nri nrl nrn nrp nrr nrs nsc nsd nse nsi nsl nsn nsp nsr nss p-p pcc pcd pce pci pcl pcn pcp pcr pcs pdc pdd pde pdi pdl pdn pdp pdr pds pec ped pee pei pel pen pep per pes pic pid pie pii pil pin pip pir pis plc pld ple pli pll pln plp plr pls pn- pnc pnd pne pni pnl pnn pnp pnr pns ppc ppd ppe ppi ppl ppn ppp ppr pps prc prd pre pri prl prn prp prr prs ps- psc psd pse psi psl psn psp psr pss rcc rcd rce rci rcl rcn rcp rcr rcs rdc rdd rde rdi rdl rdn rdp rdr rds re- rec red ree rei rel ren rep rer res ric rid rie rii ril rin rip rir ris rlc rld rle rli rll rln rlp rlr rls rnc rnd rni rnn rnp rnr rns rpc rpd rpe rpi rpl rpn rpp rpr rps rrc rrd rri rrl rrn rrp rrr rrs rsc rsd rse rsi rsl rsn rsp rsr rss scc scd sce sci scl scn scp scr scs sdc sdd sde sdi sdl sdn sdp sdr sds se- sec sed see sei sel sen sep ser ses sic sid sie sii sil sin sip sir sis slc sld sle sli sll sln slp slr sls snc snd sne sni snl snn snp snr sns spc spd spe spi spl spn spp spr sps sr- src srd sre sri srl srn srp srr srs ss- ssc ssd sse ssi ssl ssn ssp ssr sss