-ey a-a a-c aaa aac aae aag aak aap aay ac- aca acc ace acg ack acp acy aea aec aee aeg aek aep aey ag- aga agc age agg agk agp agy aka akc ake akg akk akp ap- apa apc ape apg apk app apy ay- aya ayc aye ayk ayp c-- caa cac cae cag cak cap cay cca ccc cce ccg cck ccp ce- cea cec cee ceg cek cep cey cga cgc cge cgg cgp cgy cka ckc cky cpa cpc cpe cpg cpk cpp cya cyc cye cyg cyk cyp eaa eac eae eag eak eap ec- eca ecc ece ecg eck eea eec eee eeg eek eep eey ega egc ege egg egp egy eka ekc eke ekg ekp eky ep- epa epc epe epg epp eya eyc eye eyp g-p gaa gac gae gag gak gap gay gca gcc gce gcg gck gcp ge- gea gec gee geg gek gep gey gga ggc ggg ggp gka gkp gpa gpc gpe gpg gpk gpp gy- gya gye gyp ka- kaa kac kae kag kak kap kay kca kcc kce kcg kck kcp ke- kea kec kee keg kek kep key kga kgc kgp kgy kkc kke kkk kkp kky kpa kpc kpe kpk kpp kya kyc kye kyp p-p paa pac pae pag pak pap pay pca pcc pce pcg pck pcp pea pec pee peg pek pep pey pga pgc pge pgg pgk pgp pgy pka pkc pke pkg pkp pky ppa ppc ppe ppg ppk ppp py- pya pyc pye pyg pyk yaa yac yae yag yak yap yay yca ycc yce ycp ycy yea yec yee yeg yek yep yey yga ygc yka ykk ypa ypg yyc yye yyg yyy