-ey c-- ccc ccd cce ccn ccs cdc cdd cde cdn cds cdy ce- cec ced cee cen ces cey cn- cnc cnd cne cnn cns cny csc csd cse csn css csy cyc cyd cye cyn cys dcc dcd dce dcn dcs ddc ddd dde ddn dds ddy de- dec ded dee den des dey dnc dnd dne dnn dns dny dsc dsd dse dsn dss dsy dy- dyc dyd dye dyn dys dyy ec- ecc ecd ece ecn ecs ed- edc edd ede edn eds edy eec eed eee een ees eey en- enc end ene enn ens eny es- esc esd ese esn ess esy eyc eyd eye eyn eys ncc ncd nce ncn ncs ndc ndd nde ndn nds ndy ne- nec ned nee nen nes ney nnc nne nnn nns nsc nsd nse nsn nss nsy nyc nyd nye nyn nys nyy scc scd sce scn scs sdc sdd sde sdn sds sdy se- sec sed see sen ses sey snc snd sne snn sns sny ss- ssc ssd sse ssn sss sy- syc syd sye syn sys ycc ycd yce ycs ycy yde ydn yds ydy yec yed yee yen yes yey ynd yne ynn yns yny ysc yse yss ysy yyc yye yys yyy