-ey a-a a-c aaa aac aae aag aan aao aap aay ac- aca acc ace acg acn aco acp acy aea aec aee aeg aen aeo aep aey ag- aga agc age agg agn ago agp agy an- ana anc ane ang ann ano anp any aoa aoc aoe aog aon aoo aop ap- apa apc ape apg apn apo app apy ay- aya ayc aye ayn ayo ayp c-- caa cac cae cag can cao cap cay cca ccc cce ccg ccn cco ccp ce- cea cec cee ceg cen ceo cep cey cga cgc cge cgg cgn cgo cgp cgy cn- cna cnc cne cng cnn cno cnp cny co- coa coc coe cog con coo cop coy cpa cpc cpe cpg cpn cpo cpp cya cyc cye cyg cyn cyo cyp eaa eac eae eag ean eao eap ec- eca ecc ece ecg ecn eco eea eec eee eeg een eeo eep eey ega egc ege egg egn ego egp egy en- ena enc ene eng enn eno enp eny eo- eoa eoc eoe eog eon eoo eop ep- epa epc epe epg epn epo epp eya eyc eye eyn eyo eyp g-p gaa gac gae gag gan gao gap gay gca gcc gce gcg gcn gco gcp ge- gea gec gee geg gen geo gep gey gga ggc ggg ggn ggo ggp gna gnc gne gnn gno gnp goa goc goe gog gon goo gop goy gpa gpc gpe gpg gpn gpo gpp gy- gya gye gyn gyo gyp naa nac nae nag nan nao nap nay nca ncc nce ncg ncn nco ncp ne- nea nec nee neg nen neo nep ney nga ngc nge ngg ngn ngo ngp nna nnc nne nng nnn nno nnp no- noa noc noe nog non noo nop noy npa npc npe npg npn npo npp nya nyc nye nyg nyn nyo nyp nyy oaa oac oae oag oan oao oap oc- oca occ ocg ocn oco ocp oea oec oee oeg oen oeo oep oey oga ogc oge ogg ogn ogo ogp ogy on- ona onc one ong onn ono onp ony oo- ooa ooc oog oon ooo oop op- opa opc ope opg opn opo opp opy oya oye oyo p-p paa pac pae pag pan pao pap pay pca pcc pce pcg pcn pco pcp pea pec pee peg pen peo pep pey pga pgc pge pgg pgn pgo pgp pgy pn- pna pnc pne png pnn pno pnp pny poa poc poe pog pon poo pop poy ppa ppc ppe ppg ppn ppo ppp py- pya pyc pye pyg pyn pyo yaa yac yae yag yan yao yap yay yca ycc yce yco ycp ycy yea yec yee yeg yen yeo yep yey yga ygc ygo yna yne yng ynn ynp yny yoc yoe yog yon yoo yop yoy ypa ypg ypo yyc yye yyg yyy