-ic a-a a-c a-i aaa aac aaf aag aai ac- aca acc acf acg aci af- afa afc aff afg afi ag- aga agc agf agg agi ai- aia aic aif aig aii c-- caa cac caf cag cai cca ccc ccf ccg cci cfa cfc cff cfg cfi cga cgc cgg cgi ci- cia cic cif cig cii faa fac faf fag fai fca fcc fcf fcg fci ffa ffc fff ffg ffi fga fgc fgf fgg fgi fia fic fif fig fii gaa gac gaf gag gai gca gcc gcf gcg gci gfa gfc gff gfi gga ggc ggg ggi gia gic gif gig gii i-f ia- iaa iac iaf iag iai ica icc icf icg ici ifa ifc iff ifg ifi iga igc igf igg igi iia iic iif iii