-er bbb bbe bbg bbi bbn bbr bbs be- beb bee beg bei ben ber bes bez bgb bge bgg bgi bgn bgr bgs bgz bi- bib bie big bii bin bir bis biz bnb bne bng bni bnn bnr bns bnz brb bre brg bri brn brr brs brz bsb bse bsg bsi bsn bsr bss bze bzn bzr bzs bzz 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 enz erb ere erg eri ern err ers erz es- esb ese esg esi esn esr ess eze ezr ezs ezz gbe gbg gbi gbn gbr gbs gbz ge- geb gee geg gei gen ger ges gez ggb ggg ggi ggn ggr ggs ggz gib gie gig gii gin gir gis giz gnb gne gni gnn gnr gns grb gre grg gri grn grr grs gsb gse gsg gsi gsn gsr gss gzr ibb ibe ibg ibi ibn ibr ibs ibz 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 ize izi izz n-i nbb nbe nbg nbi nbn nbr nbs ne- neb nee neg nei nen ner nes nez ngb nge ngg ngi ngn ngs nib nie nig nii nin nir nis niz nnb nne nng nni nnn nns nnz nrb nre nrg nri nrn nrr nrs nrz nsb nse nsg nsi nsn nsr nss nsz nzb nze nzg nzi nzs nzz rbb rbe rbg rbi rbn rbr rbs re- reb ree reg rei ren rer res rez rgb rge rgg rgi rgn rgr rgs rib rie rig rii rin rir ris riz rnb rng rni rnn rnr rns rnz rrb rrg rri rrn rrr rrs rsb rse rsg rsi rsn rsr rss rzb rze sbb sbe sbg sbi sbn sbr sbs se- seb see seg sei sen ser ses sez 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 ssz sze szi szr z-g zbb zbr zbs zeb zee zen zer zes zez zgb zgg zgi zgs zib zie zig zin zir zis ziz zne znn zns zrs zse zsg zsi zsz zzr zzs zzz