-er c-- ccc ccd cce ccn ccr ccs ccu cdc cdd cde cdn cdq cdr cds cdu ce- cec ced cee cen ceq cer ces ceu cn- cnc cnd cne cnn cnr cns cnu cqc cqd cqs crc crd cre crn crq crr crs cru csc csd cse csn csq csr css csu cuc cud cue cun cuq cur cus cuu dcc dcd dce dcn dcr dcs dcu ddc ddd dde ddn ddq ddr dds ddu de- dec ded dee den deq der des deu dnc dnd dne dnn dnq dnr dns dqe dqn dqs drc drd dre drn drq drr drs dru dsc dsd dse dsn dsq dsr dss dsu duc dud due dun dur dus ec- ecc ecd ece ecn ecq ecr ecs ecu ed- edc edd ede edn edr eds edu eec eed eee een eer ees en- enc end ene enn enr ens enu eqe eqn eqq eqs equ erc erd ere ern erq err ers eru es- esc esd ese esn esq esr ess esu eu- euc eud eue eun eur eus ncc ncd nce ncn ncr ncs ncu ndc ndd nde ndn ndr nds ndu ne- nec ned nee nen ner nes neu nnc nne nnn nns nnu nqc nqs nrc nrd nre nrn nrr nrs nru nsc nsd nse nsn nsr nss nsu nuc nud nue nun nuq nur nus nuu qcc qcd qcs qdr qds qec qed qee qen qnd qne qns qqq qqu qrc qre qrs qru qsc qsd qsr qu- qud que qur qus rcc rcd rce rcn rcr rcs rcu rdc rdd rde rdn rdr rds rdu re- rec red ree ren req rer res reu rnc rnd rnn rnr rns rnu rqc rqn rqs rrc rrd rrn rrq rrr rrs rru rsc rsd rse rsn rsq rsr rss rsu ruc rud rue run rur rus ruu scc scd sce scn scr scs scu sdc sdd sde sdn sdq sdr sds sdu se- sec sed see sen seq ser ses seu snc snd sne snn snr sns snu sqd sqn sqq sqr sqs sr- src srd sre srn srq srr srs ss- ssc ssd sse ssn ssq ssr sss ssu suc sud sue sun suq sur sus suu ucc ucd uce ucn ucr ucs ucu udc udd ude udn udr uds udu uec ued uee uen uer ues un- unc und une unn unq unr uns unu ur- urc urd ure urn urr urs uru usc usd use usn usr uss usu uuc uue uun uur uus uuu