b-p bbb bbe bbg bbi bbl bbn bbp bbs be- beb bee beg bei bel ben bep bes bgb bge bgg bgi bgl bgn bgp bgs bi- bib bie big bii bil bin bip bis blb ble blg bli bll bln blp bls bnb bne bng bni bnl bnn bnp bns bpb bpe bpg bpi bpl bpn bpp bps bsb bse bsg bsi bsl bsn bsp bss ebb ebe ebg ebi ebl ebn ebp ebs eeb eee eeg eel een eep ees egb ege egg egi egl egn egp egs eib eie eig eii eil ein eip eis elb ele elg eli ell eln elp els en- enb ene eng eni enl enn enp ens ep- epb epe epg epi epl epn epp eps es- esb ese esg esi esl esn esp ess g-p gbe gbg gbi gbl gbn gbp gbs ge- geb gee geg gei gel gen gep ges ggb ggg ggi ggn ggp ggs gib gie gig gii gil gin gip gis glb gle glg gli gll gln glp gls gnb gne gni gnl gnn gnp gns gpb gpe gpg gpi gpl gpn gpp gps gsb gse gsg gsi gsl gsn gsp gss ibb ibe ibg ibi ibl ibn ibp ibs ie- iee ieg iei iel ien iep ies igb ige igg igi igl ign igp igs iib iie iii iil iin iip iis il- ilb ile ilg ili ill iln ilp ils in- inb ine ing ini inl inn inp ins ipb ipe ipg ipi ipl ipn ipp ips is- isb ise isg isi isl isn isp iss l-p lbb lbe lbg lbi lbl lbp lbs leb lee leg lei lel len lep les lgb lge lgg lgi lgl lgn lgp lgs lib lie lig lii lil lin lip lis llb lle llg lli lll lln llp lls lnb lne lng lni lnl lnn lnp lns lpb lpe lpg lpi lpl lpn lpp lps lsb lse lsg lsi lsl lsn lsp lss n-i nbb nbe nbg nbi nbl nbn nbp nbs ne- neb nee neg nei nel nen nep nes ngb nge ngg ngi ngl ngn ngp ngs nib nie nig nii nil nin nip nis nlb nle nlg nli nll nln nlp nls nnb nne nng nni nnl nnn nnp nns npb npe npg npi npl npn npp nps nsb nse nsg nsi nsl nsn nsp nss p-p pbb pbe pbg pbi pbl pbn pbp pbs peb pee peg pei pel pen pep pes pgb pge pgg pgi pgl pgn pgp pgs pib pie pig pii pil pin pip pis plb ple plg pli pll pln plp pls pn- pnb pne png pni pnl pnn pnp pns ppb ppe ppg ppi ppl ppn ppp pps ps- psb pse psg psi psl psn psp pss sbb sbe sbg sbi sbl sbn sbp sbs se- seb see seg sei sel sen sep ses sgb sge sgg sgi sgl sgn sgp sgs sib sie sig sii sil sin sip sis slb sle slg sli sll sln slp sls snb sne sng sni snl snn snp sns spb spe spg spi spl spn spp sps ss- ssb sse ssg ssi ssl ssn ssp sss