a-a aaa aad aak aap aay ad- ada add adk adp ady aka akd akk akp ap- apa apd apk app apy ay- aya ayd ayk ayp daa dad dak dap day dda ddd ddk ddp ddy dka dkk dkp dpa dpd dpk dpp dy- dya dyd dyk dyp dyy ka- kaa kad kak kap kay kda kdk kdp kdy kkk kkp kky kpa kpd kpk kpp kya kyd kyp p-p paa pad pak pap pay pda pdd pdk pdp pka pkd pkp pky ppa ppd ppk ppp py- pya pyd pyk yaa yad yak yap yay yda ydy yka ykk ypa ypd yyy