-er -ic c-- ccc ccd cce cci ccl ccn ccr ccs cdc cdd cde cdi cdl cdn cdr cds ce- cec ced cee cei cel cen cer ces ci- cic cid cie cii cil cin cir cis cl- clc cld cle cli cll cln clr cls cn- cnc cnd cne cni cnl cnn cnr cns crc crd cre cri crl crn crr crs csc csd cse csi csl csn csr css dcc dcd dce dci dcl dcn dcr dcs ddc ddd dde ddi ddl ddn ddr dds de- dec ded dee dei del den der des di- dic did die dii dil din dir dis dl- dlc dld dle dli dll dlr dls dnc dnd dne dni dnl dnn dnr dns drc drd dre dri drl drn drr drs dsc dsd dse dsi dsl dsn dsr dss ec- ecc ecd ece eci ecl ecn ecr ecs ed- edc edd ede edi edl edn edr eds eec eed eee eel een eer ees eic eid eie eii eil ein eir eis elc eld ele eli ell eln elr els en- enc end ene eni enl enn enr ens erc erd ere eri erl ern err ers es- esc esd ese esi esl esn esr ess i-d icc icd ice ici icl icn icr ics idc idd ide idi idl idn idr ids ie- iec ied iee iei iel ien ier ies iic iid iie iii iil iin iir iis il- ilc ild ile ili ill iln ilr ils in- inc ind ine ini inl inn inr ins ir- irc ird ire iri irl irn irr irs is- isc isd ise isi isl isn isr iss lcc lcd lce lci lcl lcn lcr lcs ldc ldd lde ldi ldl ldn ldr lds lec led lee lei lel len ler les lic lid lie lii lil lin lir lis llc lld lle lli lll lln llr lls lnc lnd lne lni lnl lnn lnr lns lrc lrd lri lrn lrr lrs lsc lsd lse lsi lsl lsn lsr lss n-i ncc ncd nce nci ncl ncn ncr ncs ndc ndd nde ndi ndl ndn ndr nds ne- nec ned nee nei nel nen ner nes nic nid nie nii nil nin nir nis nlc nld nle nli nll nln nlr nls nnc nne nni nnl nnn nns nrc nrd nre nri nrl nrn nrr nrs nsc nsd nse nsi nsl nsn nsr nss rcc rcd rce rci rcl rcn rcr rcs rdc rdd rde rdi rdl rdn rdr rds re- rec red ree rei rel ren rer res ric rid rie rii ril rin rir ris rlc rld rle rli rll rln rlr rls rnc rnd rni rnn rnr rns rrc rrd rri rrl rrn rrr rrs rsc rsd rse rsi rsl rsn rsr rss scc scd sce sci scl scn scr scs sdc sdd sde sdi sdl sdn sdr sds se- sec sed see sei sel sen ser ses sic sid sie sii sil sin sir sis slc sld sle sli sll sln slr sls snc snd sne sni snl snn snr sns sr- src srd sre sri srl srn srr srs ss- ssc ssd sse ssi ssl ssn ssr sss