-er -ey a-a a-t aaa aad aae aak aar aat aay ad- ada add ade adk adr adt ady aea aed aee aek aer aet aey aka akd ake akk akr ar- ara ard are ark arr art ary at- ata atd ate atr att ay- aya ayd aye ayk ayr ayt daa dad dae dak dar dat day dda ddd dde ddk ddr ddt ddy de- dea ded dee dek der det dey dka dke dkk dkr dkt dra drd dre drk drr drt dry dta dtd dte dtk dtr dtt dty dy- dya dyd dye dyk dyr dyy eaa ead eae eak ear eat ed- eda edd ede edk edr edt edy eea eed eee eek eer eet eey eka ekd eke ekr ekt eky era erd ere erk err ert ery eta etd ete etk etr ett ety eya eyd eye eyr eyt k-t ka- kaa kad kae kak kar kat kay kda kde kdk kdr kdt kdy ke- kea ked kee kek ker ket key kke kkk kkr kkt kky kra krd krk krr krt kry kta kte ktk ktr ktt kya kyd kye kyr kyt ra- raa rad rae rak rar rat ray rda rdd rde rdr rdt rdy re- rea red ree rek rer ret rey rke rkk rkt rky rra rrd rrk rrr rrt rta rtd rte rtk rtr rtt rty ry- rya ryd rye ryk ryr ryy taa tad tae tak tar tat tay tda tdd tde tdk tdr tdt tdy te- tea ted tee tek ter tet tey tka tke tkk tkr tkt tky tra trd tre trk trr trt try tta ttd tte ttk ttr ttt tty tya tyd tye tyr tyt yaa yad yae yak yar yat yay yda yde ydt ydy yea yed yee yek yer yet yey yka ykk yra yre yrt yta ytd yte ytk ytr ytt yye yyt yyy