-er -ey a-a aaa aad aae aar aay ad- ada add ade adr ady aea aed aee aer aey ar- ara ard are arr ary ay- aya ayd aye ayr daa dad dae dar day dda ddd dde ddr ddy de- dea ded dee der dey dra drd dre drr dry dy- dya dyd dye dyr dyy eaa ead eae ear ed- eda edd ede edr edy eea eed eee eer eey era erd ere err ery eya eyd eye eyr ra- raa rad rae rar ray rda rdd rde rdr rdy re- rea red ree rer rey rra rrd rrr ry- rya ryd rye ryr ryy yaa yad yae yar yay yda yde ydy yea yed yee yer yey yra yre yye yyy