-er b-u bbb bbe bbi bbl bbn bbr bbt bbu be- beb bee bei bel ben ber bet beu bi- bib bie bii bil bin bir bit biu blb ble bli bll bln blr blt blu bnb bne bni bnl bnn bnr bnt bnu brb bre bri brl brn brr brt bru btb bte bti btl btn btr btt btu bub bue bui bul bun bur but buu ebb ebe ebi ebl ebn ebr ebt ebu eeb eee eel een eer eet eib eie eii eil ein eir eit eiu elb ele eli ell eln elr elt elu en- enb ene eni enl enn enr ent enu erb ere eri erl ern err ert eru etb ete eti etl etn etr ett etu eu- eub eue eui eul eun eur eut ibb ibe ibi ibl ibn ibr ibt ibu ie- iee iei iel ien ier iet iib iie iii iil iin iir iit iiu il- ilb ile ili ill iln ilr ilt ilu in- inb ine ini inl inn inr int inu ir- irb ire iri irl irn irr irt iru itb ite iti itl itn itt itu iu- iub iue iui iur iut lbb lbe lbi lbl lbr lbt lbu leb lee lei lel len ler let leu lib lie lii lil lin lir lit liu llb lle lli lll lln llr llt llu lnb lne lni lnl lnn lnr lnt lnu lrb lri lrn lrr lrt lru ltb lte lti ltl ltr ltt ltu lub lue lui lul lun lur lut luu n-i nbb nbe nbi nbl nbn nbr nbt nbu ne- neb nee nei nel nen ner net neu nib nie nii nil nin nir nit niu nlb nle nli nll nln nlr nlt nlu nnb nne nni nnl nnn nnt nnu nrb nre nri nrl nrn nrr nrt nru ntb nte nti ntn ntr ntt ntu nub nue nui nul nun nur nut nuu rbb rbe rbi rbl rbn rbr rbt rbu re- reb ree rei rel ren rer ret reu rib rie rii ril rin rir rit rle rli rll rln rlr rlt rlu rnb rni rnn rnr rnt rnu rrb rri rrl rrn rrr rrt rru rtb rte rti rtl rtn rtr rtt rtu rub rue rui run rur rut ruu tbb tbe tbi tbl tbn tbr tbt tbu te- teb tee tei tel ten ter tet teu tib tie tii til tin tir tit tiu tle tli tll tln tlr tlt tlu tnb tne tni tnl tnn tnr tnt trb tre tri trl trn trr trt tru ttb tte tti ttl ttn ttr ttt ttu tub tue tui tul tun tur tut tuu ubb ube ubi ubl ubn ubr ubt ubu ueb uee uei uel uen uer uet uib uie uii uil uin uir uit uiu ulb ule uli ull uln ulr ult ulu un- unb une uni unl unn unr unt unu ur- urb ure uri url urn urr urt uru utb ute uti utl utn utr utt utu uue uun uur uut uuu