-er bbb bbd bbe bbf bbi bbn bbr bbs bdb bdd bde bdf bdi bdr bds be- beb bed bee bef bei ben ber bes bfb bfd bfe bff bfi bfn bfr bfs bi- bib bid bie bif bii bin bir bis bnb bnd bne bnf bni bnn bnr bns brb brd bre brf bri brn brr brs bsb bsd bse bsf bsi bsn bsr bss dbb dbd dbe dbf dbi dbn dbr dbs ddb ddd dde ddf ddi ddn ddr dds de- deb ded dee def dei den der des dfb dfd dfe dff dfi dfn dfr dfs di- dib did die dif dii din dir dis dnb dnd dne dnf dni dnn dnr dns drb drd dre dri drn drr drs dsb dsd dse dsf dsi dsn dsr dss ebb ebd ebe ebf ebi ebn ebr ebs ed- edb edd ede edf edi edn edr eds eeb eed eee eef een eer ees ef- efb efd efe eff efi efr efs eib eid eie eif eii ein eir eis en- enb end ene enf eni enn enr ens erb erd ere erf eri ern err ers es- esb esd ese esf esi esn esr ess fbb fbd fbe fbf fbi fbn fbr fbs fdb fdd fde fdf fdi fdn fdr fds feb fed fee fef fei fen fer fes ffd ffe fff ffi ffn ffr ffs fib fid fie fif fii fin fir fis fnb fnd fne fnf fni fnn fnr fns frb frd fre frf fri frn frr frs fsb fsd fse fsf fsi fsn fsr fss i-d i-f ibb ibd ibe ibf ibi ibn ibr ibs idb idd ide idf idi idn idr ids ie- ied iee ief iei ien ier ies ifb ifd ife iff ifi ifn ifr ifs iib iid iie iif iii iin iir iis in- inb ind ine inf ini inn inr ins ir- irb ird ire irf iri irn irr irs is- isb isd ise isf isi isn isr iss n-i nbb nbd nbe nbf nbi nbn nbr nbs ndb ndd nde ndf ndi ndn ndr nds ne- neb ned nee nef nei nen ner nes nfb nfd nfe nff nfi nfn nfr nfs nib nid nie nif nii nin nir nis nnb nne nnf nni nnn nns nrb nrd nre nrf nri nrn nrr nrs nsb nsd nse nsf nsi nsn nsr nss rbb rbd rbe rbf rbi rbn rbr rbs rdb rdd rde rdf rdi rdn rdr rds re- reb red ree ref rei ren rer res rfb rfd rfe rff rfi rfn rfr rfs rib rid rie rif rii rin rir ris rnb rnd rni rnn rnr rns rrb rrd rrf rri rrn rrr rrs rsb rsd rse rsf rsi rsn rsr rss sbb sbd sbe sbf sbi sbn sbr sbs sdb sdd sde sdf sdi sdn sdr sds se- seb sed see sef sei sen ser ses sfb sfd sfe sff sfi sfn sfr sfs sib sid sie sif sii sin sir sis snb snd sne snf sni snn snr sns sr- srb srd sre srf sri srn srr srs ss- ssb ssd sse ssf ssi ssn ssr sss