-ey a-a a-c aaa aac aae aak aap aas aay ac- aca acc ace ack acp acs acy aea aec aee aek aep aes aey aka akc ake akk akp aks ap- apa apc ape apk app aps apy as- asa asc ase ask asp ass asy ay- aya ayc aye ayk ayp ays c-- caa cac cae cak cap cas cay cca ccc cce cck ccp ccs ce- cea cec cee cek cep ces cey cka ckc cks cky cpa cpc cpe cpk cpp cps csa csc cse csk csp css csy cya cyc cye cyk cyp cys eaa eac eae eak eap eas ec- eca ecc ece eck ecs eea eec eee eek eep ees eey eka ekc eke ekp eks eky ep- epa epc epe epp eps es- esa esc ese esk esp ess esy eya eyc eye eyp eys ka- kaa kac kae kak kap kas kay kca kcc kce kck kcp kcs ke- kea kec kee kek kep kes key kkc kke kkk kkp kks kky kpa kpc kpe kpk kpp kps ksa ksc kse ksk ksp kss kya kyc kye kyp kys p-p paa pac pae pak pap pas pay pca pcc pce pck pcp pcs pea pec pee pek pep pes pey pka pkc pke pkp pks pky ppa ppc ppe ppk ppp pps ps- psa psc pse psk psp pss psy py- pya pyc pye pyk pys saa sac sae sak sap sas say sca scc sce sck scp scs se- sea sec see sek sep ses sey sk- ska skc ske skk skp sks sky spa spc spe spk spp sps spy ss- ssa ssc sse ssk ssp sss sy- sya syc sye syk syp sys yaa yac yae yak yap yas yay yca ycc yce ycp ycs ycy yea yec yee yek yep yes yey yka ykk ypa yps ysa ysc yse ysk ysp yss ysy yyc yye yys yyy