a-a a-c aaa aac aaf aag aau aay ac- aca acc acf acg acu acy af- afa afc aff afg afu afy ag- aga agc agf agg agu agy au- aua auc auf aug ay- aya ayc ayf ayu c-- caa cac caf cag cau cay cca ccc ccf ccg ccu cfa cfc cff cfg cfu cga cgc cgg cgu cgy cua cuc cuf cug cuu cuy cya cyc cyf cyg faa fac faf fag fau fay fca fcc fcf fcg fcu fcy ffa ffc fff ffg ffu ffy fga fgc fgf fgg fua fuf fug fuu fy- fya fyc gaa gac gaf gag gau gay gca gcc gcf gcg gcu gfa gfc gff gfy gga ggc ggg ggu gu- gua guc guf gug guu guy gy- gya gyf ua- uaa uac uaf uag uau uay uca ucc ucf ucg ucu ufa ufc uff ufg ufu uga ugc ugf ugg ugu uua uuc uug uuu uyc uyu yaa yac yaf yag yau yay yca ycc ycf ycu ycy yfa yfc yff yfu yga ygc yua yug yuu yuy yyc yyf yyg yyu yyy