-er b-u bbb bbe bbi bbl bbm bbn bbr bbt bbu be- beb bee bei bel bem ben ber bet beu bi- bib bie bii bil bim bin bir bit biu blb ble bli bll blm bln blr blt blu bmb bme bmi bml bmm bmn bmr bmt bmu bnb bne bni bnl bnn bnr bnt bnu brb bre bri brl brm brn brr brt bru btb bte bti btl btm btn btr btt btu bub bue bui bul bum bun bur but buu ebb ebe ebi ebl ebm ebn ebr ebt ebu eeb eee eel eem een eer eet eib eie eii eil eim ein eir eit eiu elb ele eli ell elm eln elr elt elu em- emb eme emi eml emm emn emr emt emu en- enb ene eni enl enm enn enr ent enu erb ere eri erl erm ern err ert eru etb ete eti etl etm etn etr ett etu eu- eub eue eui eul eun eur eut ibb ibe ibi ibl ibm ibn ibr ibt ibu ie- iee iei iel iem ien ier iet iib iie iii iil iim iin iir iit iiu il- ilb ile ili ill ilm iln ilr ilt ilu im- imb ime imi iml imm imn imt imu in- inb ine ini inl inm inn inr int inu ir- irb ire iri irl irm irn irr irt iru itb ite iti itl itm itn itt itu iu- iub iue iui ium iur iut lbb lbe lbi lbl lbm lbr lbt lbu leb lee lei lel lem len ler let leu lib lie lii lil lim lin lir lit liu llb lle lli lll llm lln llr llt llu lmb lme lmi lml lmm lmn lmr lmt lmu lnb lne lni lnl lnm lnn lnr lnt lnu lrb lri lrm lrn lrr lrt lru ltb lte lti ltl ltm ltr ltt ltu lub lue lui lul lum lun lur lut luu m-r mbb mbe mbi mbl mbm mbr mbt mbu meb mee mei mel mem men mer met meu mi- mib mie mii mil mim min mir mit miu mlb mle mli mll mlm mln mlr mlt mlu mmb mme mmi mml mmm mmn mmr mmt mmu mnb mne mni mnl mnm mnn mnr mnt mnu mrb mre mri mrl mrm mrn mrr mrt mru mtb mte mti mtl mtm mtn mtr mtt mtu mub mue mui mul mum mun mur mut muu n-i nbb nbe nbi nbl nbm nbn nbr nbt nbu ne- neb nee nei nel nem nen ner net neu nib nie nii nil nim nin nir nit niu nlb nle nli nll nlm nln nlr nlt nlu nmb nme nmi nml nmm nmn nmr nmt nmu nnb nne nni nnl nnm nnn nnt nnu nrb nre nri nrl nrm nrn nrr nrt nru ntb nte nti ntm ntn ntr ntt ntu nub nue nui nul num nun nur nut nuu rbb rbe rbi rbl rbm rbn rbr rbt rbu re- reb ree rei rel rem ren rer ret reu rib rie rii ril rim rin rir rit rle rli rll rlm rln rlr rlt rlu rmb rme rmi rml rmm rmn rmr rmt rnb rni rnm rnn rnr rnt rnu rrb rri rrl rrm rrn rrr rrt rru rtb rte rti rtl rtm rtn rtr rtt rtu rub rue rui rum run rur rut ruu tbb tbe tbi tbl tbm tbn tbr tbt tbu te- teb tee tei tel tem ten ter tet teu tib tie tii til tim tin tir tit tiu tle tli tll tlm tln tlr tlt tlu tmb tme tmi tml tmm tmn tmr tmt tmu tnb tne tni tnl tnm tnn tnr tnt trb tre tri trl trm trn trr trt tru ttb tte tti ttl ttm ttn ttr ttt ttu tub tue tui tul tum tun tur tut tuu ubb ube ubi ubl ubn ubr ubt ubu ueb uee uei uel uem uen uer uet uib uie uii uil uim uin uir uit uiu ulb ule uli ull ulm uln ulr ult ulu um- umb ume umi uml umm umn umr umt umu un- unb une uni unl unm unn unr unt unu ur- urb ure uri url urm urn urr urt uru utb ute uti utl utm utn utr utt utu uue uum uun uur uut uuu