-er -ic c-- ccc ccd cce cci ccn ccr ccs cct cdc cdd cde cdi cdn cdr cds cdt ce- cec ced cee cei cen cer ces cet ci- cic cid cie cii cin cir cis cit cn- cnc cnd cne cni cnn cnr cns cnt crc crd cre cri crn crr crs crt csc csd cse csi csn csr css cst ctc ctd cte cti ctn ctr cts ctt dcc dcd dce dci dcn dcr dcs dct ddc ddd dde ddi ddn ddr dds ddt de- dec ded dee dei den der des det di- dic did die dii din dir dis dit dnc dnd dne dni dnn dnr dns dnt drc drd dre dri drn drr drs drt dsc dsd dse dsi dsn dsr dss dst dtc dtd dte dti dtn dtr dts dtt ec- ecc ecd ece eci ecn ecr ecs ect ed- edc edd ede edi edn edr eds edt eec eed eee een eer ees eet eic eid eie eii ein eir eis eit en- enc end ene eni enn enr ens ent erc erd ere eri ern err ers ert es- esc esd ese esi esn esr ess est etc etd ete eti etn etr ets ett i-d icc icd ice ici icn icr ics ict idc idd ide idi idn idr ids idt ie- iec ied iee iei ien ier ies iet iic iid iie iii iin iir iis iit in- inc ind ine ini inn inr ins int ir- irc ird ire iri irn irr irs irt is- isc isd ise isi isn isr iss ist itc itd ite iti itn its itt n-i ncc ncd nce nci ncn ncr ncs nct ndc ndd nde ndi ndn ndr nds ndt ne- nec ned nee nei nen ner nes net nic nid nie nii nin nir nis nit nnc nne nni nnn nns nnt nrc nrd nre nri nrn nrr nrs nrt nsc nsd nse nsi nsn nsr nss nst ntc ntd nte nti ntn ntr nts ntt rcc rcd rce rci rcn rcr rcs rct rdc rdd rde rdi rdn rdr rds rdt re- rec red ree rei ren rer res ret ric rid rie rii rin rir ris rit rnc rnd rni rnn rnr rns rnt rrc rrd rri rrn rrr rrs rrt rsc rsd rse rsi rsn rsr rss rst rtc rtd rte rti rtn rtr rts rtt scc scd sce sci scn scr scs sct sdc sdd sde sdi sdn sdr sds sdt se- sec sed see sei sen ser ses set sic sid sie sii sin sir sis sit snc snd sne sni snn snr sns snt sr- src srd sre sri srn srr srs srt ss- ssc ssd sse ssi ssn ssr sss sst stc std ste sti stn str sts stt tcc tcd tce tci tcn tcr tcs tct tdc tdd tde tdi tdn tdr tds tdt te- tec ted tee tei ten ter tes tet tic tid tie tii tin tir tis tit tnc tnd tne tni tnn tnr tns tnt trc trd tre tri trn trr trs trt tsc tsd tse tsi tsn tsr tss tst ttc ttd tte tti ttn ttr tts ttt