eee eeg een ees eex ege egg egi egn egs egx eie eig eii ein eis eix en- ene eng eni enn ens es- ese esg esi esn ess esx ex- exe exi exs exx ge- gee geg gei gen ges gex ggg ggi ggn ggs gie gig gii gin gis gne gni gnn gns gse gsg gsi gsn gss gsx gxs ie- iee ieg iei ien ies iex ige igg igi ign igs iie iii iin iis iix in- ine ing ini inn ins inx is- ise isg isi isn iss ixe ixi ixn n-i ne- nee neg nei nen nes nex nge ngg ngi ngn ngs nie nig nii nin nis nix nne nng nni nnn nns nse nsg nsi nsn nss nsx se- see seg sei sen ses sex sge sgg sgi sgn sgs sgx sie sig sii sin sis six sne sng sni snn sns ss- sse ssg ssi ssn sss ssx sxi sxn sxs xee xeg xen xes xex xge xgi xie xii xin xis xix xns xsi xss xxi xxx