a-a a-c aaa aac aag aaj aan aao ac- aca acc acg acj acn aco ag- aga agc agg agj agn ago aja ajc ajj ajn ajo an- ana anc ang anj ann ano aoa aoc aog aoj aon aoo c-- c-j caa cac cag caj can cao cca ccc ccg ccj ccn cco cga cgc cgg cgn cgo cja cjc cjg cn- cna cnc cng cnj cnn cno co- coa coc cog coj con coo gaa gac gag gaj gan gao gca gcc gcg gcn gco gga ggc ggg ggj ggn ggo gja gjc gjg gna gnc gnn gno goa goc gog gon goo jaa jac jag jaj jan jao jca jcc jco jga jgn jgo jja jjc jjg jjj jna jnc jng jnj jnn jno joa joc jog joj jon joo naa nac nag naj nan nao nca ncc ncg ncn nco nga ngc ngg ngj ngn ngo nja njc njn nna nnc nng nnn nno no- noa noc nog noj non noo oaa oac oag oaj oan oao oc- oca occ ocg ocj ocn oco oga ogc ogg ogn ogo oja ojc ojo on- ona onc ong onj onn ono oo- ooa ooc oog oon ooo