-er bbb bbd bbe bbg bbi bbk bbl bbn bbr bdb bdd bde bdg bdi bdk bdl bdr be- beb bed bee beg bei bek bel ben ber bgb bgd bge bgg bgi bgk bgl bgn bgr bi- bib bid bie big bii bik bil bin bir bkb bke bkg bkk bkl bkn bkr blb bld ble blg bli blk bll bln blr bnb bnd bne bng bni bnk bnl bnn bnr brb brd bre brg bri brk brl brn brr dbb dbd dbe dbg dbi dbk dbl dbn dbr ddb ddd dde ddg ddi ddk ddl ddn ddr de- deb ded dee deg dei dek del den der dgd dge dgg dgi dgk dgl dgn dgr di- dib did die dig dii dik dil din dir dkb dke dkg dki dkk dkl dkr dl- dlb dld dle dlg dli dlk dll dlr dnb dnd dne dng dni dnk dnl dnn dnr drb drd dre drg dri drk drl drn drr ebb ebd ebe ebg ebi ebk ebl ebn ebr ed- edb edd ede edg edi edk edl edn edr eeb eed eee eeg eek eel een eer egb egd ege egg egi egl egn egr eib eid eie eig eii eik eil ein eir ekb ekd eke ekg eki ekl ekr elb eld ele elg eli elk ell eln elr en- enb end ene eng eni enk enl enn enr erb erd ere erg eri erk erl ern err g-d gbd gbe gbg gbi gbk gbl gbn gbr gdb gdd gde gdi gdk gdl gdn gdr ge- geb ged gee geg gei gek gel gen ger ggb ggd ggg ggi ggn ggr gib gid gie gig gii gik gil gin gir gkb gkd gkn glb gld gle glg gli glk gll gln glr gnb gnd gne gni gnl gnn gnr grb grd gre grg gri grk grl grn grr i-d ibb ibd ibe ibg ibi ibk ibl ibn ibr idb idd ide idg idi idk idl idn idr ie- ied iee ieg iei iek iel ien ier igb igd ige igg igi igk igl ign igr iib iid iie iii iil iin iir ikb ike iki ikk ikl ikr il- ilb ild ile ilg ili ilk ill iln ilr in- inb ind ine ing ini ink inl inn inr ir- irb ird ire irg iri irk irl irn irr kbb kbd kbe kbi kbk kbl kbn kbr kdb kde kdg kdk kdl kdr ke- keb ked kee keg kei kek kel ken ker kgb kgd kgi kgl kib kid kie kig kii kik kil kin kir kkb kke kki kkk kkl kkn kkr kl- klb kld klg kli klr kn- knd kne kng kni knk knl knn knr krd krg kri krk krl krn krr lbb lbd lbe lbg lbi lbk lbl lbr ldb ldd lde ldg ldi ldk ldl ldn ldr leb led lee leg lei lek lel len ler lgb lgd lge lgg lgi lgk lgl lgn lgr lib lid lie lig lii lik lil lin lir lkb lkg lkl lkr llb lld lle llg lli llk lll lln llr lnb lnd lne lng lni lnk lnl lnn lnr lrb lrd lrg lri lrk lrn lrr n-i nbb nbd nbe nbg nbi nbk nbl nbn nbr ndb ndd nde ndg ndi ndk ndl ndn ndr ne- neb ned nee neg nei nek nel nen ner ngb ngd nge ngg ngi ngk ngl ngn nib nid nie nig nii nik nil nin nir nke nki nkk nkn nkr nlb nld nle nlg nli nlk nll nln nlr nnb nne nng nni nnk nnl nnn nrb nrd nre nrg nri nrk nrl nrn nrr rbb rbd rbe rbg rbi rbk rbl rbn rbr rdb rdd rde rdg rdi rdl rdn rdr re- reb red ree reg rei rek rel ren rer rgb rgd rge rgg rgi rgk rgn rgr rib rid rie rig rii rik ril rin rir rkb rke rkg rkk rld rle rlg rli rll rln rlr rnb rnd rng rni rnn rnr rrb rrd rrg rri rrk rrl rrn rrr