-er -ey a-a a-t aaa aad aae aar aat aay ad- ada add ade adr adt ady aea aed aee aer aet aey ar- ara ard are arr art ary at- ata atd ate atr att ay- aya ayd aye ayr ayt daa dad dae dar dat day dda ddd dde ddr ddt ddy de- dea ded dee der det dey dra drd dre drr drt dry dta dtd dte dtr dtt dty dy- dya dyd dye dyr dyy eaa ead eae ear eat ed- eda edd ede edr edt edy eea eed eee eer eet eey era erd ere err ert ery eta etd ete etr ett ety eya eyd eye eyr eyt ra- raa rad rae rar rat ray rda rdd rde rdr rdt rdy re- rea red ree rer ret rey rra rrd rrr rrt rta rtd rte rtr rtt rty ry- rya ryd rye ryr ryy taa tad tae tar tat tay tda tdd tde tdr tdt tdy te- tea ted tee ter tet tey tra trd tre trr trt try tta ttd tte ttr ttt tty tya tyd tye tyr tyt yaa yad yae yar yat yay yda yde ydt ydy yea yed yee yer yet yey yra yre yrt yta ytd yte ytr ytt yye yyt yyy