-er b-u bbb bbe bbf bbg bbi bbl bbm bbn bbr bbs bbu be- beb bee bef beg bei bel bem ben ber bes beu bfb bfe bff bfg bfi bfl bfm bfn bfr bfs bfu bgb bge bgf bgg bgi bgl bgm bgn bgr bgs bgu bi- bib bie bif big bii bil bim bin bir bis biu blb ble blf blg bli bll blm bln blr bls blu bmb bme bmf bmg bmi bml bmm bmn bmr bms bmu bnb bne bnf bng bni bnl bnn bnr bns bnu brb bre brf brg bri brl brm brn brr brs bru bsb bse bsf bsg bsi bsl bsm bsn bsr bss bsu bub bue buf bug bui bul bum bun bur bus buu ebb ebe ebf ebg ebi ebl ebm ebn ebr ebs ebu eeb eee eef eeg eel eem een eer ees ef- efb efe eff efg efi efl efm efr efs egb ege egf egg egi egl egm egn egr egs egu eib eie eif eig eii eil eim ein eir eis eiu elb ele elf elg eli ell elm eln elr els elu em- emb eme emf emg emi eml emm emn emr ems emu en- enb ene enf eng eni enl enm enn enr ens enu erb ere erf erg eri erl erm ern err ers eru es- esb ese esf esg esi esl esm esn esr ess esu eu- eub eue euf eug eui eul eun eur eus fbb fbe fbf fbg fbi fbl fbm fbn fbr fbs fbu feb fee fef feg fei fel fem fen fer fes feu ffe fff ffg ffi ffl ffm ffn ffr ffs ffu fgb fge fgf fgg fgi fgl fgm fgn fgr fgs fib fie fif fig fii fil fim fin fir fis fiu flb fle flf flg fli fll flm fln flr fls flu fmb fme fmf fmg fmi fml fmm fmn fmr fms fmu fnb fne fnf fng fni fnl fnm fnn fnr fns fnu frb fre frf frg fri frl frm frn frr frs fru fsb fse fsf fsg fsi fsl fsm fsn fsr fss fsu fub fue fuf fug fui ful fum fun fur fus fuu gbe gbf gbg gbi gbl gbm gbn gbr gbs gbu ge- geb gee gef geg gei gel gem gen ger ges geu gfb gfe gff gfi gfl gfm gfr gfs ggb ggg ggi ggm ggn ggr ggs ggu gib gie gif gig gii gil gim gin gir gis giu glb gle glf glg gli gll glm gln glr gls glu gmb gme gmf gmg gmi gml gmm gmn gmr gms gnb gne gnf gni gnl gnm gnn gnr gns gnu grb gre grf grg gri grl grm grn grr grs gru gsb gse gsf gsg gsi gsl gsm gsn gsr gss gsu gu- gub gue guf gug gui gul gum gun gur gus guu i-f ibb ibe ibf ibg ibi ibl ibm ibn ibr ibs ibu ie- iee ief ieg iei iel iem ien ier ies ifb ife iff ifg ifi ifl ifm ifn ifr ifs ifu igb ige igf igg igi igl igm ign igr igs igu iib iie iif iii iil iim iin iir iis iiu il- ilb ile ilf ilg ili ill ilm iln ilr ils ilu im- imb ime imf img imi iml imm imn ims imu in- inb ine inf ing ini inl inm inn inr ins inu ir- irb ire irf irg iri irl irm irn irr irs iru is- isb ise isf isg isi isl ism isn isr iss isu iu- iub iue iug iui ium iur ius lbb lbe lbf lbg lbi lbl lbm lbr lbs lbu leb lee lef leg lei lel lem len ler les leu lfb lfe lff lfg lfi lfl lfm lfn lfr lfs lfu lgb lge lgf lgg lgi lgl lgm lgn lgr lgs lgu lib lie lif lig lii lil lim lin lir lis liu llb lle llf llg lli lll llm lln llr lls llu lmb lme lmf lmg lmi lml lmm lmn lmr lms lmu lnb lne lng lni lnl lnm lnn lnr lns lnu lrb lrf lrg lri lrm lrn lrr lrs lru lsb lse lsf lsg lsi lsl lsm lsn lsr lss lsu lub lue luf lug lui lul lum lun lur lus luu m-f m-r mbb mbe mbf mbg mbi mbl mbm mbr mbs mbu meb mee mef meg mei mel mem men mer mes meu mfb mfe mff mfg mfi mfl mfm mfn mfr mfs mfu mgb mge mgf mgi mgl mgm mgn mgr mgs mgu mi- mib mie mif mig mii mil mim min mir mis miu mlb mle mlf mlg mli mll mlm mln mlr mls mlu mmb mme mmf mmg mmi mml mmm mmn mmr mms mmu mnb mne mnf mng mni mnl mnm mnn mnr mns mnu mrb mre mrf mrg mri mrl mrm mrn mrr mrs mru msb mse msf msg msi msl msm msn msr mss msu mub mue muf mug mui mul mum mun mur mus muu n-i nbb nbe nbf nbg nbi nbl nbm nbn nbr nbs nbu ne- neb nee nef neg nei nel nem nen ner nes neu nfb nfe nff nfi nfl nfn nfr nfs nfu ngb nge ngf ngg ngi ngl ngm ngn ngs ngu nib nie nif nig nii nil nim nin nir nis niu nlb nle nlf nlg nli nll nlm nln nlr nls nlu nmb nme nmg nmi nml nmm nmn nmr nms nmu nnb nne nnf nng nni nnl nnm nnn nns nnu nrb nre nrf nrg nri nrl nrm nrn nrr nrs nru nsb nse nsf nsg nsi nsl nsm nsn nsr nss nsu nub nue nug nui nul num nun nur nus nuu rbb rbe rbf rbg rbi rbl rbm rbn rbr rbs rbu re- reb ree ref reg rei rel rem ren rer res reu rfb rfe rff rfg rfi rfl rfm rfn rfr rfs rfu rgb rge rgf rgg rgi rgn rgr rgs rib rie rif rig