a-a a-c aaa aac aan aap aay ac- aca acc acn acp acy an- ana anc ann anp any ap- apa apc apn app apy ay- aya ayc ayn ayp c-- caa cac can cap cay cca ccc ccn ccp cn- cna cnc cnn cnp cny cpa cpc cpn cpp cya cyc cyn cyp naa nac nan nap nay nca ncc ncn ncp nna nnc nnn nnp npa npc npn npp nya nyc nyn nyp nyy p-p paa pac pan pap pay pca pcc pcn pcp pn- pna pnc pnn pnp pny ppa ppc ppn ppp py- pya pyc pyn yaa yac yan yap yay yca ycc ycp ycy yna ynn ynp yny ypa yyc yyy