-er -ey c-- ccc ccd cce ccg cco ccp ccr ccz cdc cdd cde cdg cdo cdp cdr cdy cdz ce- cec ced cee ceg ceo cep cer cey cez cgc cgd cge cgg cgo cgp cgr cgy co- coc cod coe cog coo cop cor coy coz cpc cpd cpe cpg cpo cpp cpr cpz crc crd cre crg cro crp crr cry crz cyc cyd cye cyg cyo cyp cyr cz- czc czd cze czo dcc dcd dce dcg dco dcp dcr ddc ddd dde ddg ddo ddp ddr ddy ddz de- dec ded dee deg deo dep der dey dez dgc dgd dge dgg dgp dgr dgz doc dod doe dog doo dop dor doy doz dpc dpd dpe dpg dpo dpp dpr dpz drc drd dre drg dro drp drr dry drz dy- dyc dyd dye dyo dyp dyr dyy dzd dze dzo dzp dzr ec- ecc ecd ece ecg eco ecr ed- edc edd ede edg edo edp edr edy eec eed eee eeg eeo eep eer eey egc egd ege egg ego egp egr egy eo- eoc eod eoe eog eoo eop eor ep- epc epd epe epg epo epp epr epz erc erd ere erg ero erp err ery erz eyc eyd eye eyo eyp eyr eze ezo ezr ezz g-d g-p gcc gcd gce gcg gco gcp gcr gdc gdd gde gdo gdp gdr ge- gec ged gee geg geo gep ger gey gez ggc ggd ggg ggo ggp ggr ggz goc god goe gog goo gop gor goy goz gpc gpd gpe gpg gpo gpp gpr gpz grc grd gre grg gro grp grr gry gy- gyd gye gyo gyp gyr gzo gzp gzr oc- occ ocd ocg oco ocp ocr ocz odc odd ode odg odo odp odr oec oed oee oeg oeo oep oer oey ogc ogd oge ogg ogo ogp ogy oo- ooc ood oog ooo oop oor op- opc opd ope opg opo opp opr opy or- orc ord ore org oro orp orr ory orz oyd oye oyo oze ozo ozz p-p pcc pcd pce pcg pco pcp pcr pdc pdd pde pdg pdo pdp pdr pdz pec ped pee peg peo pep per pey pez pgc pgd pge pgg pgo pgp pgr pgy poc pod poe pog poo pop por poy poz ppc ppd ppe ppg ppo ppp ppr ppz prc prd pre prg pro prp prr pry prz py- pyc pyd pye pyg pyo pyr pzc pzp rcc rcd rce rcg rco rcp rcr rdc rdd rde rdg rdo rdp rdr rdy re- rec red ree reg reo rep rer rey rez rgc rgd rge rgg rgo rgp rgr roc rod roe rog roo rop ror roy roz rpc rpd rpe rpg rpo rpp rpr rpz rrc rrd rrg rrp rrr ry- ryc ryd rye ryg ryo ryr ryy ryz rze rzo rzy ycc ycd yce yco ycp ycy yde ydg ydo ydy yec yed yee yeg yeo yep yer yey yez ygc ygo yoc yod yoe yog yoo yop yor yoy ypd ypg ypo yrc yre yrg yro yrp yyc yye yyg yyy yyz yzr yzy z-g zce zco zec zed zee zeo zep zer zez zgg zo- zoc zod zoe zog zoo zor zpc zpe zpg zpo zpp zpr zro zrp zzr zzy zzz