-er -ey a-a aaa aae aak aap aar aay aea aee aek aep aer aey aka ake akk akp akr ap- apa ape apk app apr apy ar- ara are ark arp arr ary ay- aya aye ayk ayp ayr eaa eae eak eap ear eea eee eek eep eer eey eka eke ekp ekr eky ep- epa epe epp epr era ere erk erp err ery eya eye eyp eyr ka- kaa kae kak kap kar kay ke- kea kee kek kep ker key kke kkk kkp kkr kky kpa kpe kpk kpp kpr kra krk krp krr kry kya kye kyp kyr p-p paa pae pak pap par pay pea pee pek pep per pey pka pke pkp pkr pky ppa ppe ppk ppp ppr pra pre prk prp prr pry py- pya pye pyk pyr ra- raa rae rak rap rar ray re- rea ree rek rep rer rey rke rkk rkp rky rpa rpe rpk rpp rpr rra rrk rrp rrr ry- rya rye ryk ryr ryy yaa yae yak yap yar yay yea yee yek yep yer yey yka ykk ypa yra yre yrp yye yyy