bbb bbe bbg bbi bbn bbs be- beb bee beg bei ben bes bgb bge bgg bgi bgn bgs bi- bib bie big bii bin bis bnb bne bng bni bnn bns bsb bse bsg bsi bsn bss ebb ebe ebg ebi ebn ebs eeb eee eeg een ees egb ege egg egi egn egs eib eie eig eii ein eis en- enb ene eng eni enn ens es- esb ese esg esi esn ess gbe gbg gbi gbn gbs ge- geb gee geg gei gen ges ggb ggg ggi ggn ggs gib gie gig gii gin gis gnb gne gni gnn gns gsb gse gsg gsi gsn gss ibb ibe ibg ibi ibn ibs ie- iee ieg iei ien ies igb ige igg igi ign igs iib iie iii iin iis in- inb ine ing ini inn ins is- isb ise isg isi isn iss n-i nbb nbe nbg nbi nbn nbs ne- neb nee neg nei nen nes ngb nge ngg ngi ngn ngs nib nie nig nii nin nis nnb nne nng nni nnn nns nsb nse nsg nsi nsn nss sbb sbe sbg sbi sbn sbs se- seb see seg sei sen ses sgb sge sgg sgi sgn sgs sib sie sig sii sin sis snb sne sng sni snn sns ss- ssb sse ssg ssi ssn sss