-er -ey c-- ccc ccd cce ccn cco ccp ccr cdc cdd cde cdn cdo cdp cdr cdy ce- cec ced cee cen ceo cep cer cey cn- cnc cnd cne cnn cno cnp cnr cny co- coc cod coe con coo cop cor coy cpc cpd cpe cpn cpo cpp cpr crc crd cre crn cro crp crr cry cyc cyd cye cyn cyo cyp cyr dcc dcd dce dcn dco dcp dcr ddc ddd dde ddn ddo ddp ddr ddy de- dec ded dee den deo dep der dey dnc dnd dne dnn dno dnp dnr dny doc dod doe don doo dop dor doy dpc dpd dpe dpn dpo dpp dpr drc drd dre drn dro drp drr dry dy- dyc dyd dye dyn dyo dyp dyr dyy ec- ecc ecd ece ecn eco ecr ed- edc edd ede edn edo edp edr edy eec eed eee een eeo eep eer eey en- enc end ene enn eno enp enr eny eo- eoc eod eoe eon eoo eop eor ep- epc epd epe epn epo epp epr erc erd ere ern ero erp err ery eyc eyd eye eyn eyo eyp eyr ncc ncd nce ncn nco ncp ncr ndc ndd nde ndn ndo ndp ndr ndy ne- nec ned nee nen neo nep ner ney nnc nne nnn nno nnp no- noc nod noe non noo nop nor noy npc npd npe npn npo npp npr nrc nrd nre nrn nro nrp nrr nry nyc nyd nye nyn nyo nyp nyy oc- occ ocd ocn oco ocp ocr odc odd ode odn odo odp odr oec oed oee oen oeo oep oer oey on- onc ond one onn ono onp onr ony oo- ooc ood oon ooo oop oor op- opc opd ope opn opo opp opr opy or- orc ord ore orn oro orp orr ory oyd oye oyo p-p pcc pcd pce pcn pco pcp pcr pdc pdd pde pdn pdo pdp pdr pec ped pee pen peo pep per pey pn- pnc pnd pne pnn pno pnp pnr pny poc pod poe pon poo pop por poy ppc ppd ppe ppn ppo ppp ppr prc prd pre prn pro prp prr pry py- pyc pyd pye pyn pyo pyr rcc rcd rce rcn rco rcp rcr rdc rdd rde rdn rdo rdp rdr rdy re- rec red ree ren reo rep rer rey rnc rnd rnn rno rnp rnr rny roc rod roe ron roo rop ror roy rpc rpd rpe rpn rpo rpp rpr rrc rrd rrn rrp rrr ry- ryc ryd rye ryn ryo ryr ryy ycc ycd yce yco ycp ycy yde ydn ydo ydy yec yed yee yen yeo yep yer yey ynd yne ynn ynp yny yoc yod yoe yon yoo yop yor yoy ypd ypo yrc yre yrn yro yrp yyc yye yyy