-er -ey c-- ccc ccd cce ccn ccr ccs ccu cdc cdd cde cdn cdr cds cdu cdy ce- cec ced cee cen cer ces ceu cey cn- cnc cnd cne cnn cnr cns cnu cny crc crd cre crn crr crs cru cry csc csd cse csn csr css csu csy cuc cud cue cun cur cus cuu cuy cyc cyd cye cyn cyr cys dcc dcd dce dcn dcr dcs dcu ddc ddd dde ddn ddr dds ddu ddy de- dec ded dee den der des deu dey dnc dnd dne dnn dnr dns dny drc drd dre drn drr drs dru dry dsc dsd dse dsn dsr dss dsu dsy duc dud due dun dur dus duy dy- dyc dyd dye dyn dyr dys dyu dyy ec- ecc ecd ece ecn ecr ecs ecu ed- edc edd ede edn edr eds edu edy eec eed eee een eer ees eey en- enc end ene enn enr ens enu eny erc erd ere ern err ers eru ery es- esc esd ese esn esr ess esu esy eu- euc eud eue eun eur eus eyc eyd eye eyn eyr eys ncc ncd nce ncn ncr ncs ncu ndc ndd nde ndn ndr nds ndu ndy ne- nec ned nee nen ner nes neu ney nnc nne nnn nns nnu nrc nrd nre nrn nrr nrs nru nry nsc nsd nse nsn nsr nss nsu nsy nuc nud nue nun nur nus nuu nuy nyc nyd nye nyn nys nyu nyy rcc rcd rce rcn rcr rcs rcu rdc rdd rde rdn rdr rds rdu rdy re- rec red ree ren rer res reu rey rnc rnd rnn rnr rns rnu rny rrc rrd rrn rrr rrs rru rsc rsd rse rsn rsr rss rsu ruc rud rue run rur rus ruu ruy ry- ryc ryd rye ryn ryr rys ryu ryy scc scd sce scn scr scs scu sdc sdd sde sdn sdr sds sdu sdy se- sec sed see sen ser ses seu sey snc snd sne snn snr sns snu sny sr- src srd sre srn srr srs sry ss- ssc ssd sse ssn ssr sss ssu suc sud sue sun sur sus suu suy sy- syc syd sye syn syr sys syu ucc ucd uce ucn ucr ucs ucu udc udd ude udn udr uds udu uec ued uee uen uer ues uey un- unc und une unn unr uns unu uny ur- urc urd ure urn urr urs uru ury usc usd use usn usr uss usu uuc uue uun uur uus uuu uyc uys uyu ycc ycd yce ycs ycu ycy yde ydn yds ydy yec yed yee yen yer yes yey ynd yne ynn yns ynu yny yrc yre yrn yrs yru ysc yse ysr yss ysu ysy yud yue yun yur yus yuu yuy yyc yye yys yyu yyy