a-a a-c aaa aac aad aak aao aap aay ac- aca acc acd ack aco acp acy ad- ada adc add adk ado adp ady aka akc akd akk ako akp aoa aoc aod aok aoo aop ap- apa apc apd apk apo app apy ay- aya ayc ayd ayk ayo ayp c-- caa cac cad cak cao cap cay cca ccc ccd cck cco ccp cda cdc cdd cdk cdo cdp cdy cka ckc ckd cko cky co- coa coc cod cok coo cop coy cpa cpc cpd cpk cpo cpp cya cyc cyd cyk cyo cyp daa dac dad dak dao dap day dca dcc dcd dck dco dcp dda ddc ddd ddk ddo ddp ddy dka dkc dkk dko dkp doa doc dod dok doo dop doy dpa dpc dpd dpk dpo dpp dy- dya dyc dyd dyk dyo dyp dyy ka- kaa kac kad kak kao kap kay kca kcc kcd kck kcp kda kdc kdk kdo kdp kdy kkc kkk kkp kky koa koc kod kok koo kop koy kpa kpc kpd kpk kpo kpp kya kyc kyd kyo kyp oaa oac oad oak oao oap oc- oca occ ocd ock oco ocp oda odc odd odo odp oka okc okd okk oko okp oo- ooa ooc ood ook ooo oop op- opa opc opd opk opo opp opy oya oyd oyo p-p paa pac pad pak pao pap pay pca pcc pcd pck pco pcp pda pdc pdd pdk pdo pdp pka pkc pkd pko pkp pky poa poc pod pok poo pop poy ppa ppc ppd ppk ppo ppp py- pya pyc pyd pyk pyo yaa yac yad yak yao yap yay yca ycc ycd yco ycp ycy yda ydo ydy yka ykk yoc yod yok yoo yop yoy ypa ypd ypo yyc yyy