-er c-- ccc ccd cce ccl ccn ccr ccs ccu cdc cdd cde cdl cdn cdr cds cdu ce- cec ced cee cel cen cer ces ceu cl- clc cld cle cll cln clr cls clu cn- cnc cnd cne cnl cnn cnr cns cnu crc crd cre crl crn crr crs cru csc csd cse csl csn csr css csu cuc cud cue cul cun cur cus cuu dcc dcd dce dcl dcn dcr dcs dcu ddc ddd dde ddl ddn ddr dds ddu de- dec ded dee del den der des deu dl- dlc dld dle dll dlr dls dlu dnc dnd dne dnl dnn dnr dns drc drd dre drl drn drr drs dru dsc dsd dse dsl dsn dsr dss dsu duc dud due dul dun dur dus ec- ecc ecd ece ecl ecn ecr ecs ecu ed- edc edd ede edl edn edr eds edu eec eed eee eel een eer ees elc eld ele ell eln elr els elu en- enc end ene enl enn enr ens enu erc erd ere erl ern err ers eru es- esc esd ese esl esn esr ess esu eu- euc eud eue eul eun eur eus lcc lcd lce lcl lcn lcr lcs lcu ldc ldd lde ldl ldn ldr lds ldu lec led lee lel len ler les leu llc lld lle lll lln llr lls llu lnc lnd lne lnl lnn lnr lns lnu lrc lrd lrn lrr lrs lru lsc lsd lse lsl lsn lsr lss lsu luc lud lue lul lun lur lus luu ncc ncd nce ncl ncn ncr ncs ncu ndc ndd nde ndl ndn ndr nds ndu ne- nec ned nee nel nen ner nes neu nlc nld nle nll nln nlr nls nlu nnc nne nnl nnn nns nnu nrc nrd nre nrl nrn nrr nrs nru nsc nsd nse nsl nsn nsr nss nsu nuc nud nue nul nun nur nus nuu rcc rcd rce rcl rcn rcr rcs rcu rdc rdd rde rdl rdn rdr rds rdu re- rec red ree rel ren rer res reu rlc rld rle rll rln rlr rls rlu rnc rnd rnn rnr rns rnu rrc rrd rrl rrn rrr rrs rru rsc rsd rse rsl rsn rsr rss rsu ruc rud rue run rur rus ruu scc scd sce scl scn scr scs scu sdc sdd sde sdl sdn sdr sds sdu se- sec sed see sel sen ser ses seu slc sld sle sll sln slr sls slu snc snd sne snl snn snr sns snu sr- src srd sre srl srn srr srs ss- ssc ssd sse ssl ssn ssr sss ssu suc sud sue sul sun sur sus suu ucc ucd uce ucl ucn ucr ucs ucu udc udd ude udl udn udr uds udu uec ued uee uel uen uer ues ulc uld ule ull uln ulr uls ulu un- unc und une unl unn unr uns unu ur- urc urd ure url urn urr urs uru usc usd use usl usn usr uss usu uuc uue uun uur uus uuu