-ey c-- ccc ccd cce ccn cco ccp ccs cdc cdd cde cdn cdo cdp cds cdy ce- cec ced cee cen ceo cep ces cey cn- cnc cnd cne cnn cno cnp cns cny co- coc cod coe con coo cop cos coy cpc cpd cpe cpn cpo cpp cps csc csd cse csn cso csp css csy cyc cyd cye cyn cyo cyp cys dcc dcd dce dcn dco dcp dcs ddc ddd dde ddn ddo ddp dds ddy de- dec ded dee den deo dep des dey dnc dnd dne dnn dno dnp dns dny doc dod doe don doo dop dos doy dpc dpd dpe dpn dpo dpp dps dsc dsd dse dsn dso dsp dss dsy dy- dyc dyd dye dyn dyo dyp dys dyy ec- ecc ecd ece ecn eco ecs ed- edc edd ede edn edo edp eds edy eec eed eee een eeo eep ees eey en- enc end ene enn eno enp ens eny eo- eoc eod eoe eon eoo eop eos ep- epc epd epe epn epo epp eps es- esc esd ese esn eso esp ess esy eyc eyd eye eyn eyo eyp eys ncc ncd nce ncn nco ncp ncs ndc ndd nde ndn ndo ndp nds ndy ne- nec ned nee nen neo nep nes ney nnc nne nnn nno nnp nns no- noc nod noe non noo nop nos noy npc npd npe npn npo npp nps nsc nsd nse nsn nso nsp nss nsy nyc nyd nye nyn nyo nyp nys nyy oc- occ ocd ocn oco ocp ocs odc odd ode odn odo odp ods oec oed oee oen oeo oep oes oey on- onc ond one onn ono onp ons ony oo- ooc ood oon ooo oop oos op- opc opd ope opn opo opp ops opy os- osc osd ose osn oso osp oss oyd oye oyo oys p-p pcc pcd pce pcn pco pcp pcs pdc pdd pde pdn pdo pdp pds pec ped pee pen peo pep pes pey pn- pnc pnd pne pnn pno pnp pns pny poc pod poe pon poo pop pos poy ppc ppd ppe ppn ppo ppp pps ps- psc psd pse psn pso psp pss psy py- pyc pyd pye pyn pyo pys scc scd sce scn sco scp scs sdc sdd sde sdn sdo sdp sds sdy se- sec sed see sen seo sep ses sey snc snd sne snn sno snp sns sny soc sod soe son soo sop sos soy spc spd spe spn spo spp sps spy ss- ssc ssd sse ssn sso ssp sss sy- syc syd sye syn syp sys ycc ycd yce yco ycp ycs ycy yde ydn ydo yds ydy yec yed yee yen yeo yep yes yey ynd yne ynn ynp yns yny yoc yod yoe yon yoo yop yos yoy ypd ypo yps ysc yse yso ysp yss ysy yyc yye yys yyy