-er b-u bbb bbe bbg bbi bbk bbl bbn bbr bbs bbu be- beb bee beg bei bek bel ben ber bes beu bgb bge bgg bgi bgk bgl bgn bgr bgs bgu bi- bib bie big bii bik bil bin bir bis biu bkb bke bkg bkk bkl bkn bkr bks blb ble blg bli blk bll bln blr bls blu bnb bne bng bni bnk bnl bnn bnr bns bnu brb bre brg bri brk brl brn brr brs bru bsb bse bsg bsi bsk bsl bsn bsr bss bsu bub bue bug bui buk bul bun bur bus buu ebb ebe ebg ebi ebk ebl ebn ebr ebs ebu eeb eee eeg eek eel een eer ees egb ege egg egi egl egn egr egs egu eib eie eig eii eik eil ein eir eis eiu ekb eke ekg eki ekl ekr eks eku elb ele elg eli elk ell eln elr els elu en- enb ene eng eni enk enl enn enr ens enu erb ere erg eri erk erl ern err ers eru es- esb ese esg esi esk esl esn esr ess esu eu- eub eue eug eui eul eun eur eus gbe gbg gbi gbk gbl gbn gbr gbs gbu ge- geb gee geg gei gek gel gen ger ges geu ggb ggg ggi ggn ggr ggs ggu gib gie gig gii gik gil gin gir gis giu gkb gkn gks glb gle glg gli glk gll gln glr gls glu gnb gne gni gnl gnn gnr gns gnu grb gre grg gri grk grl grn grr grs gru gsb gse gsg gsi gsk gsl gsn gsr gss gsu gu- gub gue gug gui guk gul gun gur gus guu ibb ibe ibg ibi ibk ibl ibn ibr ibs ibu ie- iee ieg iei iek iel ien ier ies igb ige igg igi igk igl ign igr igs igu iib iie iii iil iin iir iis iiu ikb ike iki ikk ikl ikr iks iku il- ilb ile ilg ili ilk ill iln ilr ils ilu in- inb ine ing ini ink inl inn inr ins inu ir- irb ire irg iri irk irl irn irr irs iru is- isb ise isg isi isk isl isn isr iss isu iu- iub iue iug iui iur ius kbb kbe kbi kbk kbl kbn kbr kbs kbu ke- keb kee keg kei kek kel ken ker kes kgb kgi kgl kgs kgu kib kie kig kii kik kil kin kir kis kiu kkb kke kki kkk kkl kkn kkr kks kku kl- klb klg kli klr kls klu kn- kne kng kni knk knl knn knr knu krg kri krk krl krn krr krs kru ksb kse ksg ksi ksk ksl ksn ksr kss ksu kub kue kug kui kuk kul kun kur kus kuu lbb lbe lbg lbi lbk lbl lbr lbs lbu leb lee leg lei lek lel len ler les leu lgb lge lgg lgi lgk lgl lgn lgr lgs lgu lib lie lig lii lik lil lin lir lis liu lkb lkg lkl lkr lks llb lle llg lli llk lll lln llr lls llu lnb lne lng lni lnk lnl lnn lnr lns lnu lrb lrg lri lrk lrn lrr lrs lru lsb lse lsg lsi lsk lsl lsn lsr lss lsu lub lue lug lui luk lul lun lur lus luu n-i nbb nbe nbg nbi nbk nbl nbn nbr nbs nbu ne- neb nee neg nei nek nel nen ner nes neu ngb nge ngg ngi ngk ngl ngn ngs ngu nib nie nig nii nik nil nin nir nis niu nke nki nkk nkn nkr nks nku nlb nle nlg nli nlk nll nln nlr nls nlu nnb nne nng nni nnk nnl nnn nns nnu nrb nre nrg nri nrk nrl nrn nrr nrs nru nsb nse nsg nsi nsk nsl nsn nsr nss nsu nub nue nug nui nuk nul nun nur nus nuu rbb rbe rbg rbi rbk rbl rbn rbr rbs rbu re- reb ree reg rei rek rel ren rer res reu rgb rge rgg rgi rgk rgn rgr rgs rib rie rig rii rik ril rin rir ris rkb rke rkg rkk rks rku rle rlg rli rll rln rlr rls rlu rnb rng rni rnn rnr rns rnu rrb rrg rri rrk rrl rrn rrr rrs rru rsb rse rsg rsi rsk rsl rsn rsr rss rsu rub rue rug rui ruk run rur rus ruu sbb sbe sbg sbi sbk sbl sbn sbr sbs sbu se- seb see seg sei sek sel sen ser ses seu sgb sge sgg sgi sgk sgl sgn sgr sgs sgu sib sie sig sii sik sil sin sir sis siu sk- skb ske skg ski skk skl skr sks sku slb sle slg sli slk sll sln slr sls slu snb sne sng sni snk snl snn snr sns snu sr- srb sre srg sri srk srl srn srr srs ss- ssb sse ssg ssi ssk ssl ssn ssr sss ssu sub sue sug sui suk sul sun sur sus suu ubb ube ubg ubi ubk ubl ubn ubr ubs ubu ueb uee ueg uei uel uen uer ues ugb uge ugg ugi ugk ugl ugn ugr ugs ugu uib uie uig uii uil uin uir uis uiu ukb uke uki ukk ukl ukn ukr uku ulb ule ulg uli ulk ull uln ulr uls ulu un- unb une ung uni unk unl unn unr uns unu ur- urb ure urg uri urk url urn urr urs uru usb use usg usi usk usl usn usr uss usu uue uug uun uur uus uuu