-er -ey a-a aaa aae aak aar aav aay aea aee aek aer aev aey aka ake akk akr akv ar- ara are ark arr arv ary av- ava ave avk avr avy ay- aya aye ayk ayr eaa eae eak ear eav eea eee eek eer eev eey eka eke ekr ekv eky era ere erk err erv ery eva eve evr evv evy eya eye eyr ka- kaa kae kak kar kav kay ke- kea kee kek ker kev key kke kkk kkr kkv kky kra krk krr krv kry kva kvk kvr kvv kya kye kyr ra- raa rae rak rar rav ray re- rea ree rek rer rev rey rke rkk rkv rky rra rrk rrr rva rve rvr rvv rvy ry- rya rye ryk ryr ryy v-a v-e vaa vae vak var vav vay vea vee vek ver vey vka vra vre vrk vrr vry vva vvr vvv vye yaa yae yak yar yav yay yea yee yek yer yev yey yka ykk yra yre yva yve yvr yvy yye yyy