-er -ey a-a a-c aaa aac aad aae aao aar aay ac- aca acc acd ace aco acr acy ad- ada adc add ade ado adr ady aea aec aed aee aeo aer aey aoa aoc aod aoe aoo aor ar- ara arc ard are aro arr ary ay- aya ayc ayd aye ayo ayr c-- caa cac cad cae cao car cay cca ccc ccd cce cco ccr cda cdc cdd cde cdo cdr cdy ce- cea cec ced cee ceo cer cey co- coa coc cod coe coo cor coy cra crc crd cre cro crr cry cya cyc cyd cye cyo cyr daa dac dad dae dao dar day dca dcc dcd dce dco dcr dda ddc ddd dde ddo ddr ddy de- dea dec ded dee deo der dey doa doc dod doe doo dor doy dra drc drd dre dro drr dry dy- dya dyc dyd dye dyo dyr dyy eaa eac ead eae eao ear ec- eca ecc ecd ece eco ecr ed- eda edc edd ede edo edr edy eea eec eed eee eeo eer eey eo- eoa eoc eod eoe eoo eor era erc erd ere ero err ery eya eyc eyd eye eyo eyr oaa oac oad oae oao oar oc- oca occ ocd oco ocr oda odc odd ode odo odr oea oec oed oee oeo oer oey oo- ooa ooc ood ooo oor or- ora orc ord ore oro orr ory oya oyd oye oyo ra- raa rac rad rae rao rar ray rca rcc rcd rce rco rcr rda rdc rdd rde rdo rdr rdy re- rea rec red ree reo rer rey roa roc rod roe roo ror roy rra rrc rrd rrr ry- rya ryc ryd rye ryo ryr ryy yaa yac yad yae yao yar yay yca ycc ycd yce yco ycy yda yde ydo ydy yea yec yed yee yeo yer yey yoc yod yoe yoo yor yoy yra yrc yre yro yyc yye yyy