-er bbb bbd bbe bbi bbn bbr bbt bdb bdd bde bdi bdr bdt be- beb bed bee bei ben ber bet bi- bib bid bie bii bin bir bit bnb bnd bne bni bnn bnr bnt brb brd bre bri brn brr brt btb btd bte bti btn btr btt dbb dbd dbe dbi dbn dbr dbt ddb ddd dde ddi ddn ddr ddt de- deb ded dee dei den der det di- dib did die dii din dir dit dnb dnd dne dni dnn dnr dnt drb drd dre dri drn drr drt dtb dtd dte dti dtn dtr dtt ebb ebd ebe ebi ebn ebr ebt ed- edb edd ede edi edn edr edt eeb eed eee een eer eet eib eid eie eii ein eir eit en- enb end ene eni enn enr ent erb erd ere eri ern err ert etb etd ete eti etn etr ett i-d ibb ibd ibe ibi ibn ibr ibt idb idd ide idi idn idr idt ie- ied iee iei ien ier iet iib iid iie iii iin iir iit in- inb ind ine ini inn inr int ir- irb ird ire iri irn irr irt itb itd ite iti itn itt n-i nbb nbd nbe nbi nbn nbr nbt ndb ndd nde ndi ndn ndr ndt ne- neb ned nee nei nen ner net nib nid nie nii nin nir nit nnb nne nni nnn nnt nrb nrd nre nri nrn nrr nrt ntb ntd nte nti ntn ntr ntt rbb rbd rbe rbi rbn rbr rbt rdb rdd rde rdi rdn rdr rdt re- reb red ree rei ren rer ret rib rid rie rii rin rir rit rnb rnd rni rnn rnr rnt rrb rrd rri rrn rrr rrt rtb rtd rte rti rtn rtr rtt tbb tbd tbe tbi tbn tbr tbt tdb tdd tde tdi tdn tdr tdt te- teb ted tee tei ten ter tet tib tid tie tii tin tir tit tnb tnd tne tni tnn tnr tnt trb trd tre tri trn trr trt ttb ttd tte tti ttn ttr ttt