-er b-u bbb bbe bbg bbi bbl bbn bbr bbs bbu be- beb bee beg bei bel ben ber bes beu bgb bge bgg bgi bgl bgn bgr bgs bgu bi- bib bie big bii bil bin bir bis biu blb ble blg bli bll bln blr bls blu bnb bne bng bni bnl bnn bnr bns bnu brb bre brg bri brl brn brr brs bru bsb bse bsg bsi bsl bsn bsr bss bsu bub bue bug bui bul bun bur bus buu ebb ebe ebg ebi ebl ebn ebr ebs ebu eeb eee eeg eel een eer ees egb ege egg egi egl egn egr egs egu eib eie eig eii eil ein eir eis eiu elb ele elg eli ell eln elr els elu en- enb ene eng eni enl enn enr ens enu erb ere erg eri erl ern err ers eru es- esb ese esg esi esl esn esr ess esu eu- eub eue eug eui eul eun eur eus gbe gbg gbi gbl gbn gbr gbs gbu ge- geb gee geg gei gel gen ger ges geu ggb ggg ggi ggn ggr ggs ggu gib gie gig gii gil gin gir gis giu glb gle glg gli gll gln glr gls glu gnb gne gni gnl gnn gnr gns gnu grb gre grg gri grl grn grr grs gru gsb gse gsg gsi gsl gsn gsr gss gsu gu- gub gue gug gui gul gun gur gus guu ibb ibe ibg ibi ibl ibn ibr ibs ibu ie- iee ieg iei iel ien ier ies igb ige igg igi igl ign igr igs igu iib iie iii iil iin iir iis iiu il- ilb ile ilg ili ill iln ilr ils ilu in- inb ine ing ini inl inn inr ins inu ir- irb ire irg iri irl irn irr irs iru is- isb ise isg isi isl isn isr iss isu iu- iub iue iug iui iur ius lbb lbe lbg lbi lbl lbr lbs lbu leb lee leg lei lel len ler les leu lgb lge lgg lgi lgl lgn lgr lgs lgu lib lie lig lii lil lin lir lis liu llb lle llg lli lll lln llr lls llu lnb lne lng lni lnl lnn lnr lns lnu lrb lrg lri lrn lrr lrs lru lsb lse lsg lsi lsl lsn lsr lss lsu lub lue lug lui lul lun lur lus luu n-i nbb nbe nbg nbi nbl nbn nbr nbs nbu ne- neb nee neg nei nel nen ner nes neu ngb nge ngg ngi ngl ngn ngs ngu nib nie nig nii nil nin nir nis niu nlb nle nlg nli nll nln nlr nls nlu nnb nne nng nni nnl nnn nns nnu nrb nre nrg nri nrl nrn nrr nrs nru nsb nse nsg nsi nsl nsn nsr nss nsu nub nue nug nui nul nun nur nus nuu rbb rbe rbg rbi rbl rbn rbr rbs rbu re- reb ree reg rei rel ren rer res reu rgb rge rgg rgi rgn rgr rgs rib rie rig rii ril rin rir ris rle rlg rli rll rln rlr rls rlu rnb rng rni rnn rnr rns rnu rrb rrg rri rrl rrn rrr rrs rru rsb rse rsg rsi rsl rsn rsr rss rsu rub rue rug rui run rur rus ruu sbb sbe sbg sbi sbl sbn sbr sbs sbu se- seb see seg sei sel sen ser ses seu sgb sge sgg sgi sgl sgn sgr sgs sgu sib sie sig sii sil sin sir sis siu slb sle slg sli sll sln slr sls slu snb sne sng sni snl snn snr sns snu sr- srb sre srg sri srl srn srr srs ss- ssb sse ssg ssi ssl ssn ssr sss ssu sub sue sug sui sul sun sur sus suu ubb ube ubg ubi ubl ubn ubr ubs ubu ueb uee ueg uei uel uen uer ues ugb uge ugg ugi ugl ugn ugr ugs ugu uib uie uig uii uil uin uir uis uiu ulb ule ulg uli ull uln ulr uls ulu un- unb une ung uni unl unn unr uns unu ur- urb ure urg uri url urn urr urs uru usb use usg usi usl usn usr uss usu uue uug uun uur uus uuu