a-a a-c aaa aac aad aak aap aay ac- aca acc acd ack acp acy ad- ada adc add adk adp ady aka akc akd akk akp ap- apa apc apd apk app apy ay- aya ayc ayd ayk ayp c-- caa cac cad cak cap cay cca ccc ccd cck ccp cda cdc cdd cdk cdp cdy cka ckc ckd cky cpa cpc cpd cpk cpp cya cyc cyd cyk cyp daa dac dad dak dap day dca dcc dcd dck dcp dda ddc ddd ddk ddp ddy dka dkc dkk dkp dpa dpc dpd dpk dpp dy- dya dyc dyd dyk dyp dyy ka- kaa kac kad kak kap kay kca kcc kcd kck kcp kda kdc kdk kdp kdy kkc kkk kkp kky kpa kpc kpd kpk kpp kya kyc kyd kyp p-p paa pac pad pak pap pay pca pcc pcd pck pcp pda pdc pdd pdk pdp pka pkc pkd pkp pky ppa ppc ppd ppk ppp py- pya pyc pyd pyk yaa yac yad yak yap yay yca ycc ycd ycp ycy yda ydy yka ykk ypa ypd yyc yyy