-er -ey a-a aaa aad aae aak aar aav aay ad- ada add ade adk adr adv ady aea aed aee aek aer aev aey aka akd ake akk akr akv ar- ara ard are ark arr arv ary av- ava avd ave avk avr avy ay- aya ayd aye ayk ayr daa dad dae dak dar dav day dda ddd dde ddk ddr ddy de- dea ded dee dek der dev dey dka dke dkk dkr dra drd dre drk drr drv dry dva dvd dve dvk dvr dy- dya dyd dye dyk dyr dyy eaa ead eae eak ear eav ed- eda edd ede edk edr edy eea eed eee eek eer eev eey eka ekd eke ekr ekv eky era erd ere erk err erv ery eva evd eve evr evv evy eya eyd eye eyr ka- kaa kad kae kak kar kav kay kda kde kdk kdr kdy ke- kea ked kee kek ker kev key kke kkk kkr kkv kky kra krd krk krr krv kry kva kvk kvr kvv kya kyd kye kyr ra- raa rad rae rak rar rav ray rda rdd rde rdr rdv rdy re- rea red ree rek rer rev rey rke rkk rkv rky rra rrd rrk rrr rva rvd rve rvr rvv rvy ry- rya ryd rye ryk ryr ryy v-a v-e vaa vad vae vak var vav vay vdd vde vdk vdr vdv vea ved vee vek ver vey vka vra vrd vre vrk vrr vry vva vvr vvv vyd vye yaa yad yae yak yar yav yay yda yde ydy yea yed yee yek yer yev yey yka ykk yra yre yva yve yvr yvy yye yyy