-er -ey a-a a-c aaa aac aad aae aag aan aao aar aay ac- aca acc acd ace acg acn aco acr acy ad- ada adc add ade adg adn ado adr ady aea aec aed aee aeg aen aeo aer aey ag- aga agc agd age agg agn ago agr agy an- ana anc and ane ang ann ano anr any aoa aoc aod aoe aog aon aoo aor ar- ara arc ard are arg arn aro arr ary ay- aya ayc ayd aye ayn ayo ayr c-- caa cac cad cae cag can cao car cay cca ccc ccd cce ccg ccn cco ccr cda cdc cdd cde cdg cdn cdo cdr cdy ce- cea cec ced cee ceg cen ceo cer cey cga cgc cgd cge cgg cgn cgo cgr cgy cn- cna cnc cnd cne cng cnn cno cnr cny co- coa coc cod coe cog con coo cor coy cra crc crd cre crg crn cro crr cry cya cyc cyd cye cyg cyn cyo cyr daa dac dad dae dag dan dao dar day dca dcc dcd dce dcg dcn dco dcr dda ddc ddd dde ddg ddn ddo ddr ddy de- dea dec ded dee deg den deo der dey dga dgc dgd dge dgg dgn dgr dna dnc dnd dne dng dnn dno dnr dny doa doc dod doe dog don doo dor doy dra drc drd dre drg drn dro drr dry dy- dya dyc dyd dye dyn dyo dyr dyy eaa eac ead eae eag ean eao ear ec- eca ecc ecd ece ecg ecn eco ecr ed- eda edc edd ede edg edn edo edr edy eea eec eed eee eeg een eeo eer eey ega egc egd ege egg egn ego egr egy en- ena enc end ene eng enn eno enr eny eo- eoa eoc eod eoe eog eon eoo eor era erc erd ere erg ern ero err ery eya eyc eyd eye eyn eyo eyr g-d gaa gac gad gae gag gan gao gar gay gca gcc gcd gce gcg gcn gco gcr gda gdc gdd gde gdn gdo gdr ge- gea gec ged gee geg gen geo ger gey gga ggc ggd ggg ggn ggo ggr gna gnc gnd gne gnn gno gnr goa goc god goe gog gon goo gor goy gra grc grd gre grg grn gro grr gry gy- gya gyd gye gyn gyo gyr naa nac nad nae nag nan nao nar nay nca ncc ncd nce ncg ncn nco ncr nda ndc ndd nde ndg ndn ndo ndr ndy ne- nea nec ned nee neg nen neo ner ney nga ngc ngd nge ngg ngn ngo nna nnc nne nng nnn nno no- noa noc nod noe nog non noo nor noy nra nrc nrd nre nrg nrn nro nrr nry nya nyc nyd nye nyg nyn nyo nyy oaa oac oad oae oag oan oao oar oc- oca occ ocd ocg ocn oco ocr oda odc odd ode odg odn odo odr oea oec oed oee oeg oen oeo oer oey oga ogc ogd oge ogg ogn ogo ogy on- ona onc ond one ong onn ono onr ony oo- ooa ooc ood oog oon ooo oor or- ora orc ord ore org orn oro orr ory oya oyd oye oyo ra- raa rac rad rae rag ran rao rar ray rca rcc rcd rce rcg rcn rco rcr rda rdc rdd rde rdg rdn rdo rdr rdy re- rea rec red ree reg ren reo rer rey rga rgc rgd rge rgg rgn rgo rgr rna rnc rnd rng rnn rno rnr rny roa roc rod roe rog ron roo ror roy rra rrc rrd rrg rrn rrr ry- rya ryc ryd rye ryg ryn ryo ryr ryy yaa yac yad yae yag yan yao yar yay yca ycc ycd yce yco ycy yda yde ydg ydn ydo ydy yea yec yed yee yeg yen yeo yer yey yga ygc ygo yna ynd yne yng ynn yny yoc yod yoe yog yon yoo yor yoy yra yrc yre yrg yrn yro yyc yye yyg yyy