-er bbb bbe bbg bbi bbn bbr bbs be- beb bee beg bei ben ber bes bgb bge bgg bgi bgn bgr bgs bi- bib bie big bii bin bir bis bnb bne bng bni bnn bnr bns brb bre brg bri brn brr brs bsb bse bsg bsi bsn bsr bss ebb ebe ebg ebi ebn ebr ebs eeb eee eeg een eer ees egb ege egg egi egn egr egs eib eie eig eii ein eir eis en- enb ene eng eni enn enr ens erb ere erg eri ern err ers es- esb ese esg esi esn esr ess gbe gbg gbi gbn gbr gbs ge- geb gee geg gei gen ger ges ggb ggg ggi ggn ggr ggs gib gie gig gii gin gir gis gnb gne gni gnn gnr gns grb gre grg gri grn grr grs gsb gse gsg gsi gsn gsr gss ibb ibe ibg ibi ibn ibr ibs ie- iee ieg iei ien ier ies igb ige igg igi ign igr igs iib iie iii iin iir iis in- inb ine ing ini inn inr ins ir- irb ire irg iri irn irr irs is- isb ise isg isi isn isr iss n-i nbb nbe nbg nbi nbn nbr nbs ne- neb nee neg nei nen ner nes ngb nge ngg ngi ngn ngs nib nie nig nii nin nir nis nnb nne nng nni nnn nns nrb nre nrg nri nrn nrr nrs nsb nse nsg nsi nsn nsr nss rbb rbe rbg rbi rbn rbr rbs re- reb ree reg rei ren rer res rgb rge rgg rgi rgn rgr rgs rib rie rig rii rin rir ris rnb rng rni rnn rnr rns rrb rrg rri rrn rrr rrs rsb rse rsg rsi rsn rsr rss sbb sbe sbg sbi sbn sbr sbs se- seb see seg sei sen ser ses sgb sge sgg sgi sgn sgr sgs sib sie sig sii sin sir sis snb sne sng sni snn snr sns sr- srb sre srg sri srn srr srs ss- ssb sse ssg ssi ssn ssr sss