a-a aaa aak aap aar aay aka akk akp akr ap- apa apk app apr apy ar- ara ark arp arr ary ay- aya ayk ayp ayr ka- kaa kak kap kar kay kkk kkp kkr kky kpa kpk kpp kpr kra krk krp krr kry kya kyp kyr p-p paa pak pap par pay pka pkp pkr pky ppa ppk ppp ppr pra prk prp prr pry py- pya pyk pyr ra- raa rak rap rar ray rkk rkp rky rpa rpk rpp rpr rra rrk rrp rrr ry- rya ryk ryr ryy yaa yak yap yar yay yka ykk ypa yra yrp yyy