-er -ey c-- ccc ccd cce ccn ccr ccu cdc cdd cde cdn cdr cdu cdy ce- cec ced cee cen cer ceu cey cn- cnc cnd cne cnn cnr cnu cny crc crd cre crn crr cru cry cuc cud cue cun cur cuu cuy cyc cyd cye cyn cyr dcc dcd dce dcn dcr dcu ddc ddd dde ddn ddr ddu ddy de- dec ded dee den der deu dey dnc dnd dne dnn dnr dny drc drd dre drn drr dru dry duc dud due dun dur duy dy- dyc dyd dye dyn dyr dyu dyy ec- ecc ecd ece ecn ecr ecu ed- edc edd ede edn edr edu edy eec eed eee een eer eey en- enc end ene enn enr enu eny erc erd ere ern err eru ery eu- euc eud eue eun eur eyc eyd eye eyn eyr ncc ncd nce ncn ncr ncu ndc ndd nde ndn ndr ndu ndy ne- nec ned nee nen ner neu ney nnc nne nnn nnu nrc nrd nre nrn nrr nru nry nuc nud nue nun nur nuu nuy nyc nyd nye nyn nyu nyy rcc rcd rce rcn rcr rcu rdc rdd rde rdn rdr rdu rdy re- rec red ree ren rer reu rey rnc rnd rnn rnr rnu rny rrc rrd rrn rrr rru ruc rud rue run rur ruu ruy ry- ryc ryd rye ryn ryr ryu ryy ucc ucd uce ucn ucr ucu udc udd ude udn udr udu uec ued uee uen uer uey un- unc und une unn unr unu uny ur- urc urd ure urn urr uru ury uuc uue uun uur uuu uyc uyu ycc ycd yce ycu ycy yde ydn ydy yec yed yee yen yer yey ynd yne ynn ynu yny yrc yre yrn yru yud yue yun yur yuu yuy yyc yye yyu yyy