-ey a-a a-c aaa aac aae aah aap aax aay ac- aca acc ace ach acp acx acy aea aec aee aeh aep aex aey aha ahc ahe ahh ahp ahx ahy ap- apa apc ape aph app apx apy ax- axa axe axh axp axx ay- aya ayc aye ayh ayp ayx c-- caa cac cae cah cap cax cay cca ccc cce cch ccp ccx ce- cea cec cee ceh cep cex cey ch- cha chc che chh chp chx chy cpa cpc cpe cph cpp cpx cxc cxh cxp cxx cya cyc cye cyp eaa eac eae eah eap eax ec- eca ecc ece ech ecx eea eec eee eep eex eey eha ehc ehe ehh ehp ep- epa epc epe eph epp epx ex- exa exc exe exh exp exx exy eya eyc eye eyp haa hac hae hah hap hax hay hca hcc hce hch hcp hcy he- hea hec hee heh hep hex hey hha hhc hhe hhh hhp hhy hpa hpc hpe hph hpp hpy hxc hy- hya hyc hye hyh hyp hyy p-p paa pac pae pah pap pax pay pca pcc pce pch pcp pcx pea pec pee peh pep pex pey pha phc phe php phx phy ppa ppc ppe pph ppp ppx pxc pxe py- pya pyc pye pyx xaa xac xap xch xcp xcx xee xep xex xhp xpa xpc xpe xpp xxp xxx xxy xyp xyy yaa yac yae yah yap yax yay yca ycc yce ych ycp ycy yea yec yee yeh yep yex yey yha yhc yhe ypa yxa yxe yxy yyc yye yyy