-ic a-a a-c a-i aaa aac aaf aag aai aan aas ac- aca acc acf acg aci acn acs af- afa afc aff afg afi afn afs ag- aga agc agf agg agi agn ags ai- aia aic aif aig aii ain ais an- ana anc anf ang ani ann ans as- asa asc asf asg asi asn ass c-- caa cac caf cag cai can cas cca ccc ccf ccg cci ccn ccs cfa cfc cff cfg cfi cfn cfs cga cgc cgg cgi cgn cgs ci- cia cic cif cig cii cin cis cn- cna cnc cnf cng cni cnn cns csa csc csf csg csi csn css faa fac faf fag fai fan fas fca fcc fcf fcg fci fcn fcs ffa ffc fff ffg ffi ffn ffs fga fgc fgf fgg fgi fgn fgs fia fic fif fig fii fin fis fna fnc fnf fng fni fnn fns fsa fsc fsf fsg fsi fsn fss gaa gac gaf gag gai gan gas gca gcc gcf gcg gci gcn gcs gfa gfc gff gfi gfs gga ggc ggg ggi ggn ggs gia gic gif gig gii gin gis gna gnc gnf gni gnn gns gsa gsc gsf gsg gsi gsn gss i-f ia- iaa iac iaf iag iai ian ias ica icc icf icg ici icn ics ifa ifc iff ifg ifi ifn ifs iga igc igf igg igi ign igs iia iic iif iii iin iis in- ina inc inf ing ini inn ins is- isa isc isf isg isi isn iss n-i naa nac naf nag nai nan nas nca ncc ncf ncg nci ncn ncs nfa nfc nff nfi nfn nfs nga ngc ngf ngg ngi ngn ngs nia nic nif nig nii nin nis nna nnc nnf nng nni nnn nns nsa nsc nsf nsg nsi nsn nss saa sac saf sag sai san sas sca scc scf scg sci scn scs sfa sfc sff sfg sfi sfn sfs sga sgc sgf sgg sgi sgn sgs sia sic sif sig sii sin sis sna snc snf sng sni snn sns ss- ssa ssc ssf ssg ssi ssn sss