-er -ic c-- ccc ccd cce cci ccn ccr ccs ccu cdc cdd cde cdi cdn cdr cds cdu ce- cec ced cee cei cen cer ces ceu ci- cic cid cie cii cin cir cis ciu cn- cnc cnd cne cni cnn cnr cns cnu crc crd cre cri crn crr crs cru csc csd cse csi csn csr css csu cuc cud cue cui cun cur cus cuu dcc dcd dce dci dcn dcr dcs dcu ddc ddd dde ddi ddn ddr dds ddu de- dec ded dee dei den der des deu di- dic did die dii din dir dis diu dnc dnd dne dni dnn dnr dns drc drd dre dri drn drr drs dru dsc dsd dse dsi dsn dsr dss dsu duc dud due dui dun dur dus ec- ecc ecd ece eci ecn ecr ecs ecu ed- edc edd ede edi edn edr eds edu eec eed eee een eer ees eic eid eie eii ein eir eis eiu en- enc end ene eni enn enr ens enu erc erd ere eri ern err ers eru es- esc esd ese esi esn esr ess esu eu- euc eud eue eui eun eur eus i-d icc icd ice ici icn icr ics icu idc idd ide idi idn idr ids idu ie- iec ied iee iei ien ier ies iic iid iie iii iin iir iis iiu in- inc ind ine ini inn inr ins inu ir- irc ird ire iri irn irr irs iru is- isc isd ise isi isn isr iss isu iu- iuc iud iue iui iur ius n-i ncc ncd nce nci ncn ncr ncs ncu ndc ndd nde ndi ndn ndr nds ndu ne- nec ned nee nei nen ner nes neu nic nid nie nii nin nir nis niu nnc nne nni nnn nns nnu nrc nrd nre nri nrn nrr nrs nru nsc nsd nse nsi nsn nsr nss nsu nuc nud nue nui nun nur nus nuu rcc rcd rce rci rcn rcr rcs rcu rdc rdd rde rdi rdn rdr rds rdu re- rec red ree rei ren rer res reu ric rid rie rii rin rir ris rnc rnd rni rnn rnr rns rnu rrc rrd rri rrn rrr rrs rru rsc rsd rse rsi rsn rsr rss rsu ruc rud rue rui run rur rus ruu scc scd sce sci scn scr scs scu sdc sdd sde sdi sdn sdr sds sdu se- sec sed see sei sen ser ses seu sic sid sie sii sin sir sis siu snc snd sne sni snn snr sns snu sr- src srd sre sri srn srr srs ss- ssc ssd sse ssi ssn ssr sss ssu suc sud sue sui sun sur sus suu ucc ucd uce uci ucn ucr ucs ucu udc udd ude udi udn udr uds udu uec ued uee uei uen uer ues uic uid uie uii uin uir uis uiu un- unc und une uni unn unr uns unu ur- urc urd ure uri urn urr urs uru usc usd use usi usn usr uss usu uuc uue uun uur uus uuu