-er bbb bbe bbg bbi bbl bbm bbn bbr bbs be- beb bee beg bei bel bem ben ber bes bgb bge bgg bgi bgl bgm bgn bgr bgs bi- bib bie big bii bil bim bin bir bis blb ble blg bli bll blm bln blr bls bmb bme bmg bmi bml bmm bmn bmr bms bnb bne bng bni bnl bnn bnr bns brb bre brg bri brl brm brn brr brs bsb bse bsg bsi bsl bsm bsn bsr bss ebb ebe ebg ebi ebl ebm ebn ebr ebs eeb eee eeg eel eem een eer ees egb ege egg egi egl egm egn egr egs eib eie eig eii eil eim ein eir eis elb ele elg eli ell elm eln elr els em- emb eme emg emi eml emm emn emr ems en- enb ene eng eni enl enm enn enr ens erb ere erg eri erl erm ern err ers es- esb ese esg esi esl esm esn esr ess gbe gbg gbi gbl gbm gbn gbr gbs ge- geb gee geg gei gel gem gen ger ges ggb ggg ggi ggm ggn ggr ggs gib gie gig gii gil gim gin gir gis glb gle glg gli gll glm gln glr gls gmb gme gmg gmi gml gmm gmn gmr gms gnb gne gni gnl gnm gnn gnr gns grb gre grg gri grl grm grn grr grs gsb gse gsg gsi gsl gsm gsn gsr gss ibb ibe ibg ibi ibl ibm ibn ibr ibs ie- iee ieg iei iel iem ien ier ies igb ige igg igi igl igm ign igr igs iib iie iii iil iim iin iir iis il- ilb ile ilg ili ill ilm iln ilr ils im- imb ime img imi iml imm imn ims in- inb ine ing ini inl inm inn inr ins ir- irb ire irg iri irl irm irn irr irs is- isb ise isg isi isl ism isn isr iss lbb lbe lbg lbi lbl lbm lbr lbs leb lee leg lei lel lem len ler les lgb lge lgg lgi lgl lgm lgn lgr lgs lib lie lig lii lil lim lin lir lis llb lle llg lli lll llm lln llr lls lmb lme lmg lmi lml lmm lmn lmr lms lnb lne lng lni lnl lnm lnn lnr lns lrb lrg lri lrm lrn lrr lrs lsb lse lsg lsi lsl lsm lsn lsr lss m-r mbb mbe mbg mbi mbl mbm mbr mbs meb mee meg mei mel mem men mer mes mgb mge mgi mgl mgm mgn mgr mgs mi- mib mie mig mii mil mim min mir mis mlb mle mlg mli mll mlm mln mlr mls mmb mme mmg mmi mml mmm mmn mmr mms mnb mne mng mni mnl mnm mnn mnr mns mrb mre mrg mri mrl mrm mrn mrr mrs msb mse msg msi msl msm msn msr mss n-i nbb nbe nbg nbi nbl nbm nbn nbr nbs ne- neb nee neg nei nel nem nen ner nes ngb nge ngg ngi ngl ngm ngn ngs nib nie nig nii nil nim nin nir nis nlb nle nlg nli nll nlm nln nlr nls nmb nme nmg nmi nml nmm nmn nmr nms nnb nne nng nni nnl nnm nnn nns nrb nre nrg nri nrl nrm nrn nrr nrs nsb nse nsg nsi nsl nsm nsn nsr nss rbb rbe rbg rbi rbl rbm rbn rbr rbs re- reb ree reg rei rel rem ren rer res rgb rge rgg rgi rgn rgr rgs rib rie rig rii ril rim rin rir ris rle rlg rli rll rlm rln rlr rls rmb rme rmg rmi rml rmm rmn rmr rms rnb rng rni rnm rnn rnr rns rrb rrg rri rrl rrm rrn rrr rrs rsb rse rsg rsi rsl rsm rsn rsr rss sbb sbe sbg sbi sbl sbm sbn sbr sbs se- seb see seg sei sel sem sen ser ses sgb sge sgg sgi sgl sgm sgn sgr sgs sib sie sig sii sil sim sin sir sis slb sle slg sli sll slm sln slr sls smb sme smg smi sml smm smn smr sms snb sne sng sni snl snm snn snr sns sr- srb sre srg sri srl srm srn srr srs ss- ssb sse ssg ssi ssl ssm ssn ssr sss