a-a a-c aaa aac aag aan aao aap aay ac- aca acc acg acn aco acp acy ag- aga agc agg agn ago agp agy an- ana anc ang ann ano anp any aoa aoc aog aon aoo aop ap- apa apc apg apn apo app apy ay- aya ayc ayn ayo ayp c-- caa cac cag can cao cap cay cca ccc ccg ccn cco ccp cga cgc cgg cgn cgo cgp cgy cn- cna cnc cng cnn cno cnp cny co- coa coc cog con coo cop coy cpa cpc cpg cpn cpo cpp cya cyc cyg cyn cyo cyp g-p gaa gac gag gan gao gap gay gca gcc gcg gcn gco gcp gga ggc ggg ggn ggo ggp gna gnc gnn gno gnp goa goc gog gon goo gop goy gpa gpc gpg gpn gpo gpp gy- gya gyn gyo gyp naa nac nag nan nao nap nay nca ncc ncg ncn nco ncp nga ngc ngg ngn ngo ngp nna nnc nng nnn nno nnp no- noa noc nog non noo nop noy npa npc npg npn npo npp nya nyc nyg nyn nyo nyp nyy oaa oac oag oan oao oap oc- oca occ ocg ocn oco ocp oga ogc ogg ogn ogo ogp ogy on- ona onc ong onn ono onp ony oo- ooa ooc oog oon ooo oop op- opa opc opg opn opo opp opy oya oyo p-p paa pac pag pan pao pap pay pca pcc pcg pcn pco pcp pga pgc pgg pgn pgo pgp pgy pn- pna pnc png pnn pno pnp pny poa poc pog pon poo pop poy ppa ppc ppg ppn ppo ppp py- pya pyc pyg pyn pyo yaa yac yag yan yao yap yay yca ycc yco ycp ycy yga ygc ygo yna yng ynn ynp yny yoc yog yon yoo yop yoy ypa ypg ypo yyc yyg yyy