-er bbb bbd bbe bbi bbm bbn bbr bbx bdb bdd bde bdi bdm bdr bdx be- beb bed bee bei bem ben ber bex bi- bib bid bie bii bim bin bir bix bmb bmd bme bmi bmm bmn bmr bmx bnb bnd bne bni bnn bnr bnx brb brd bre bri brm brn brr brx bxb bxd bxi bxm bxn bxx dbb dbd dbe dbi dbm dbn dbr dbx ddb ddd dde ddi ddm ddn ddr ddx de- deb ded dee dei dem den der dex di- dib did die dii dim din dir dix dmb dmd dme dmi dmm dmn dmr dmx dnb dnd dne dni dnm dnn dnr drb drd dre dri drm drn drr drx dxd dxi dxn dxr dxx ebb ebd ebe ebi ebm ebn ebr ebx ed- edb edd ede edi edm edn edr edx eeb eed eee eem een eer eex eib eid eie eii eim ein eir eix em- emb emd eme emi emm emn emr emx en- enb end ene eni enm enn enr erb erd ere eri erm ern err ex- exd exe exi exr exx i-d ibb ibd ibe ibi ibm ibn ibr ibx idb idd ide idi idm idn idr idx ie- ied iee iei iem ien ier iex iib iid iie iii iim iin iir iix im- imb imd ime imi imm imn imx in- inb ind ine ini inm inn inr inx ir- irb ird ire iri irm irn irr irx ixe ixi ixn m-r mbb mbd mbe mbi mbm mbr mbx mdb mdd mde mdi mdm mdn mdr mdx meb med mee mei mem men mer mex mi- mib mid mie mii mim min mir mix mmb mmd mme mmi mmm mmn mmr mmx mnb mne mni mnm mnn mnr mrb mrd mre mri mrm mrn mrr mrx mxd mxi mxn mxr n-i nbb nbd nbe nbi nbm nbn nbr nbx ndb ndd nde ndi ndm ndn ndr ne- neb ned nee nei nem nen ner nex nib nid nie nii nim nin nir nix nmb nmd nme nmi nmm nmn nmr nnb nne nni nnm nnn nrb nrd nre nri nrm nrn nrr nrx nxd rbb rbd rbe rbi rbm rbn rbr rbx rdb rdd rde rdi rdm rdn rdr rdx re- reb red ree rei rem ren rer rex rib rid rie rii rim rin rir rix rmb rmd rme rmi rmm rmn rmr rmx rnb rnd rni rnm rnn rnr rrb rrd rri rrm rrn rrr rxr xbe xbr xbx xdb xde xdi xdm xdr xed xee xem xen xer xex xie xii xin xix xmd xmi xmm xmr xmx xrd xrx xxi xxx