-er -ey a-a aaa aae aak aap aar aav aay aea aee aek aep aer aev aey aka ake akk akp akr akv ap- apa ape apk app apr apv apy ar- ara are ark arp arr arv ary av- ava ave avk avp avr avy ay- aya aye ayk ayp ayr eaa eae eak eap ear eav eea eee eek eep eer eev eey eka eke ekp ekr ekv eky ep- epa epe epp epr era ere erk erp err erv ery eva eve evp evr evv evy eya eye eyp eyr ka- kaa kae kak kap kar kav kay ke- kea kee kek kep ker kev key kke kkk kkp kkr kkv kky kpa kpe kpk kpp kpr kpv kra krk krp krr krv kry kva kvk kvp kvr kvv kya kye kyp kyr p-p paa pae pak pap par pav pay pea pee pek pep per pev pey pka pke pkp pkr pky ppa ppe ppk ppp ppr ppv pra pre prk prp prr prv pry pva pve pvk pvp pvr pvv py- pya pye pyk pyr ra- raa rae rak rap rar rav ray re- rea ree rek rep rer rev rey rke rkk rkp rkv rky rpa rpe rpk rpp rpr rpv rra rrk rrp rrr rva rve rvp rvr rvv rvy ry- rya rye ryk ryr ryy v-a v-e vaa vae vak vap var vav vay vea vee vek vep ver vey vka vkp vpa vpe vpk vpp vpr vra vre vrk vrp vrr vry vva vvr vvv vye vyp yaa yae yak yap yar yav yay yea yee yek yep yer yev yey yka ykk ypa yra yre yrp yva yve yvr yvy yye yyy