-er -ey a-a aaa aad aae aak aar aau aay ad- ada add ade adk adr adu ady aea aed aee aek aer aeu aey aka akd ake akk akr aku ar- ara ard are ark arr aru ary au- aua aud aue auk aur ay- aya ayd aye ayk ayr ayu daa dad dae dak dar dau day dda ddd dde ddk ddr ddu ddy de- dea ded dee dek der deu dey dka dke dkk dkr dku dra drd dre drk drr dru dry dua dud due duk dur duy dy- dya dyd dye dyk dyr dyu dyy eaa ead eae eak ear eau ed- eda edd ede edk edr edu edy eea eed eee eek eer eey eka ekd eke ekr eku eky era erd ere erk err eru ery eu- eua eud eue eur eya eyd eye eyr ka- kaa kad kae kak kar kau kay kda kde kdk kdr kdu kdy ke- kea ked kee kek ker key kke kkk kkr kku kky kra krd krk krr kru kry kud kue kuk kur kuu kuy kya kyd kye kyr kyu ra- raa rad rae rak rar rau ray rda rdd rde rdr rdu rdy re- rea red ree rek rer reu rey rke rkk rku rky rra rrd rrk rrr rru rua rud rue ruk rur ruu ruy ry- rya ryd rye ryk ryr ryu ryy ua- uaa uad uae uak uar uau uay uda udd ude udk udr udu uea ued uee uer uey uka uke ukk ukr uku ur- ura urd ure urk urr uru ury uua uue uur uuu uyu yaa yad yae yak yar yau yay yda yde ydy yea yed yee yek yer yey yka ykk yra yre yru yua yud yue yuk yur yuu yuy yye yyu yyy