a-a a-z aaa aak aap aar aay aaz aka akk akp akr ap- apa apk app apr apy ar- ara ark arp arr ary arz ay- aya ayk ayp ayr ayz az- aza azp azy azz k-z ka- kaa kak kap kar kay kaz kkk kkp kkr kky kpa kpk kpp kpr kra krk krp krr kry kya kyp kyr kyz kzy p-p paa pak pap par pay paz pka pkp pkr pky ppa ppk ppp ppr ppz pra prk prp prr pry prz py- pya pyk pyr pzk pzp ra- raa rak rap rar ray raz rkk rkp rky rkz rpa rpk rpp rpr rpz rra rrk rrp rrr ry- rya ryk ryr ryy ryz rza rzy yaa yak yap yar yay yaz yka ykk ypa yra yrp yyy yyz yzr yzy zaa zak zap zar zay zaz zka zpp zpr zrp zzr zzy zzz