bbb bbe bbg bbi bbk bbl bbn bbs be- beb bee beg bei bek bel ben bes bgb bge bgg bgi bgk bgl bgn bgs bi- bib bie big bii bik bil bin bis bkb bke bkg bkk bkl bkn bks blb ble blg bli blk bll bln bls bnb bne bng bni bnk bnl bnn bns bsb bse bsg bsi bsk bsl bsn bss ebb ebe ebg ebi ebk ebl ebn ebs eeb eee eeg eek eel een ees egb ege egg egi egl egn egs eib eie eig eii eik eil ein eis ekb eke ekg eki ekl eks elb ele elg eli elk ell eln els en- enb ene eng eni enk enl enn ens es- esb ese esg esi esk esl esn ess gbe gbg gbi gbk gbl gbn gbs ge- geb gee geg gei gek gel gen ges ggb ggg ggi ggn ggs gib gie gig gii gik gil gin gis gkb gkn gks glb gle glg gli glk gll gln gls gnb gne gni gnl gnn gns gsb gse gsg gsi gsk gsl gsn gss ibb ibe ibg ibi ibk ibl ibn ibs ie- iee ieg iei iek iel ien ies igb ige igg igi igk igl ign igs iib iie iii iil iin iis ikb ike iki ikk ikl iks il- ilb ile ilg ili ilk ill iln ils in- inb ine ing ini ink inl inn ins is- isb ise isg isi isk isl isn iss kbb kbe kbi kbk kbl kbn kbs ke- keb kee keg kei kek kel ken kes kgb kgi kgl kgs kib kie kig kii kik kil kin kis kkb kke kki kkk kkl kkn kks kl- klb klg kli kls kn- kne kng kni knk knl knn ksb kse ksg ksi ksk ksl ksn kss lbb lbe lbg lbi lbk lbl lbs leb lee leg lei lek lel len les lgb lge lgg lgi lgk lgl lgn lgs lib lie lig lii lik lil lin lis lkb lkg lkl lks llb lle llg lli llk lll lln lls lnb lne lng lni lnk lnl lnn lns lsb lse lsg lsi lsk lsl lsn lss n-i nbb nbe nbg nbi nbk nbl nbn nbs ne- neb nee neg nei nek nel nen nes ngb nge ngg ngi ngk ngl ngn ngs nib nie nig nii nik nil nin nis nke nki nkk nkn nks nlb nle nlg nli nlk nll nln nls nnb nne nng nni nnk nnl nnn nns nsb nse nsg nsi nsk nsl nsn nss sbb sbe sbg sbi sbk sbl sbn sbs se- seb see seg sei sek sel sen ses sgb sge sgg sgi sgk sgl sgn sgs sib sie sig sii sik sil sin sis sk- skb ske skg ski skk skl sks slb sle slg sli slk sll sln sls snb sne sng sni snk snl snn sns ss- ssb sse ssg ssi ssk ssl ssn sss