-ic a-a a-c a-i aaa aac aae aaf aag aai ac- aca acc ace acf acg aci aea aec aee aef aeg aei af- afa afc afe aff afg afi ag- aga agc age agf agg agi ai- aia aic aie aif aig aii c-- caa cac cae caf cag cai cca ccc cce ccf ccg cci ce- cea cec cee cef ceg cei cfa cfc cfe cff cfg cfi cga cgc cge cgg cgi ci- cia cic cie cif cig cii eaa eac eae eaf eag eai ec- eca ecc ece ecf ecg eci eea eec eee eef eeg ef- efa efc efe eff efg efi ega egc ege egf egg egi eia eic eie eif eig eii faa fac fae faf fag fai fca fcc fce fcf fcg fci fea fec fee fef feg fei ffa ffc ffe fff ffg ffi fga fgc fge fgf fgg fgi fia fic fie fif fig fii gaa gac gae gaf gag gai gca gcc gce gcf gcg gci ge- gea gec gee gef geg gei gfa gfc gfe gff gfi gga ggc ggg ggi gia gic gie gif gig gii i-f ia- iaa iac iae iaf iag iai ica icc ice icf icg ici ie- iea iec iee ief ieg iei ifa ifc ife iff ifg ifi iga igc ige igf igg igi iia iic iie iif iii