-er -ey a-a a-c aaa aac aad aae aar aau aay ac- aca acc acd ace acr acu acy ad- ada adc add ade adr adu ady aea aec aed aee aer aeu aey ar- ara arc ard are arr aru ary au- aua auc aud aue aur ay- aya ayc ayd aye ayr ayu c-- caa cac cad cae car cau cay cca ccc ccd cce ccr ccu cda cdc cdd cde cdr cdu cdy ce- cea cec ced cee cer ceu cey cra crc crd cre crr cru cry cua cuc cud cue cur cuu cuy cya cyc cyd cye cyr daa dac dad dae dar dau day dca dcc dcd dce dcr dcu dda ddc ddd dde ddr ddu ddy de- dea dec ded dee der deu dey dra drc drd dre drr dru dry dua duc dud due dur duy dy- dya dyc dyd dye dyr dyu dyy eaa eac ead eae ear eau ec- eca ecc ecd ece ecr ecu ed- eda edc edd ede edr edu edy eea eec eed eee eer eey era erc erd ere err eru ery eu- eua euc eud eue eur eya eyc eyd eye eyr ra- raa rac rad rae rar rau ray rca rcc rcd rce rcr rcu rda rdc rdd rde rdr rdu rdy re- rea rec red ree rer reu rey rra rrc rrd rrr rru rua ruc rud rue rur ruu ruy ry- rya ryc ryd rye ryr ryu ryy ua- uaa uac uad uae uar uau uay uca ucc ucd uce ucr ucu uda udc udd ude udr udu uea uec ued uee uer uey ur- ura urc urd ure urr uru ury uua uuc uue uur uuu uyc uyu yaa yac yad yae yar yau yay yca ycc ycd yce ycu ycy yda yde ydy yea yec yed yee yer yey yra yrc yre yru yua yud yue yur yuu yuy yyc yye yyu yyy