-ey a-a a-c aaa aac aad aae aag aao aap aay ac- aca acc acd ace acg aco acp acy ad- ada adc add ade adg ado adp ady aea aec aed aee aeg aeo aep aey ag- aga agc agd age agg ago agp agy aoa aoc aod aoe aog aoo aop ap- apa apc apd ape apg apo app apy ay- aya ayc ayd aye ayo ayp c-- caa cac cad cae cag cao cap cay cca ccc ccd cce ccg cco ccp cda cdc cdd cde cdg cdo cdp cdy ce- cea cec ced cee ceg ceo cep cey cga cgc cgd cge cgg cgo cgp cgy co- coa coc cod coe cog coo cop coy cpa cpc cpd cpe cpg cpo cpp cya cyc cyd cye cyg cyo cyp daa dac dad dae dag dao dap day dca dcc dcd dce dcg dco dcp dda ddc ddd dde ddg ddo ddp ddy de- dea dec ded dee deg deo dep dey dga dgc dgd dge dgg dgp doa doc dod doe dog doo dop doy dpa dpc dpd dpe dpg dpo dpp dy- dya dyc dyd dye dyo dyp dyy eaa eac ead eae eag eao eap ec- eca ecc ecd ece ecg eco ed- eda edc edd ede edg edo edp edy eea eec eed eee eeg eeo eep eey ega egc egd ege egg ego egp egy eo- eoa eoc eod eoe eog eoo eop ep- epa epc epd epe epg epo epp eya eyc eyd eye eyo eyp g-d g-p gaa gac gad gae gag gao gap gay gca gcc gcd gce gcg gco gcp gda gdc gdd gde gdo gdp ge- gea gec ged gee geg geo gep gey gga ggc ggd ggg ggo ggp goa goc god goe gog goo gop goy gpa gpc gpd gpe gpg gpo gpp gy- gya gyd gye gyo gyp oaa oac oad oae oag oao oap oc- oca occ ocd ocg oco ocp oda odc odd ode odg odo odp oea oec oed oee oeg oeo oep oey oga ogc ogd oge ogg ogo ogp ogy oo- ooa ooc ood oog ooo oop op- opa opc opd ope opg opo opp opy oya oyd oye oyo p-p paa pac pad pae pag pao pap pay pca pcc pcd pce pcg pco pcp pda pdc pdd pde pdg pdo pdp pea pec ped pee peg peo pep pey pga pgc pgd pge pgg pgo pgp pgy poa poc pod poe pog poo pop poy ppa ppc ppd ppe ppg ppo ppp py- pya pyc pyd pye pyg pyo yaa yac yad yae yag yao yap yay yca ycc ycd yce yco ycp ycy yda yde ydg ydo ydy yea yec yed yee yeg yeo yep yey yga ygc ygo yoc yod yoe yog yoo yop yoy ypa ypd ypg ypo yyc yye yyg yyy