-er b-u bbb bbe bbi bbl bbn bbr bbs bbt bbu be- beb bee bei bel ben ber bes bet beu bev bi- bib bie bii bil bin bir bis bit biu biv blb ble bli bll bln blr bls blt blu blv bnb bne bni bnl bnn bnr bns bnt bnu bnv brb bre bri brl brn brr brs brt bru brv bsb bse bsi bsl bsn bsr bss bst bsu bsv btb bte bti btl btn btr bts btt btu btv bub bue bui bul bun bur bus but buu bvb bve bvi bvl bvn bvr bvs bvt bvu bvv ebb ebe ebi ebl ebn ebr ebs ebt ebu ebv eeb eee eel een eer ees eet eev eib eie eii eil ein eir eis eit eiu eiv elb ele eli ell eln elr els elt elu elv en- enb ene eni enl enn enr ens ent enu env erb ere eri erl ern err ers ert eru erv es- esb ese esi esl esn esr ess est esu esv etb ete eti etl etn etr ets ett etu etv eu- eub eue eui eul eun eur eus eut euv evb eve evi evl evn evr evs evt evv i-v ibb ibe ibi ibl ibn ibr ibs ibt ibu ibv ie- iee iei iel ien ier ies iet iev iib iie iii iil iin iir iis iit iiu il- ilb ile ili ill iln ilr ils ilt ilu ilv in- inb ine ini inl inn inr ins int inu inv ir- irb ire iri irl irn irr irs irt iru irv is- isb ise isi isl isn isr iss ist isu isv itb ite iti itl itn its itt itu itv iu- iub iue iui iur ius iut ivb ive ivi ivl ivr ivs ivt ivu ivv lbb lbe lbi lbl lbr lbs lbt lbu lbv leb lee lei lel len ler les let leu lev lib lie lii lil lin lir lis lit liu liv llb lle lli lll lln llr lls llt llu llv lnb lne lni lnl lnn lnr lns lnt lnu lrb lri lrn lrr lrs lrt lru lrv lsb lse lsi lsl lsn lsr lss lst lsu lsv ltb lte lti ltl ltr lts ltt ltu ltv lub lue lui lul lun lur lus lut luu luv lvb lve lvi lvl lvn lvr lvs lvt lvv n-i nbb nbe nbi nbl nbn nbr nbs nbt nbu nbv ne- neb nee nei nel nen ner nes net neu nev nib nie nii nil nin nir nis nit niu niv nlb nle nli nll nln nlr nls nlt nlu nlv nnb nne nni nnl nnn nns nnt nnu nnv nrb nre nri nrl nrn nrr nrs nrt nru nrv nsb nse nsi nsl nsn nsr nss nst nsu nsv ntb nte nti ntn ntr nts ntt ntu ntv nub nue nui nul nun nur nus nut nuu nuv nvb nve nvi nvl nvn nvt nvu nvv rbb rbe rbi rbl rbn rbr rbs rbt rbu re- reb ree rei rel ren rer res ret reu rev rib rie rii ril rin rir ris rit riv rle rli rll rln rlr rls rlt rlu rnb rni rnn rnr rns rnt rnu rnv rrb rri rrl rrn rrr rrs rrt rru rsb rse rsi rsl rsn rsr rss rst rsu rsv rtb rte rti rtl rtn rtr rts rtt rtu rtv rub rue rui run rur rus rut ruu ruv rvb rve rvi rvl rvn rvr rvs rvt rvu rvv sbb sbe sbi sbl sbn sbr sbs sbt sbu sbv se- seb see sei sel sen ser ses set seu sev sib sie sii sil sin sir sis sit siu siv slb sle sli sll sln slr sls slt slu slv snb sne sni snl snn snr sns snt snu snv sr- srb sre sri srl srn srr srs srt srv ss- ssb sse ssi ssl ssn ssr sss sst ssu ssv stb ste sti stl stn str sts stt stu stv sub sue sui sul sun sur sus sut suu suv svb sve svi svl svn svr svs svt svu svv tbb tbe tbi tbl tbn tbr tbs tbt tbu tbv te- teb tee tei tel ten ter tes tet teu tev tib tie tii til tin tir tis tit tiu tiv tle tli tll tln tlr tls tlt tlu tlv tnb tne tni tnl tnn tnr tns tnt trb tre tri trl trn trr trs trt tru trv tsb tse tsi tsl tsn tsr tss tst tsu tsv ttb tte tti ttl ttn ttr tts ttt ttu ttv tub tue tui tul tun tur tus tut tuu tuv tvb tve tvi tvl tvn tvr tvs tvt tvu ubb ube ubi ubl ubn ubr ubs ubt ubu ubv ueb uee uei uel uen uer ues uet uib uie uii uil uin uir uis uit uiu ulb ule uli ull uln ulr uls ult ulu ulv un- unb une uni unl unn unr uns unt unu unv ur- urb ure uri url urn urr urs urt uru usb use usi usl usn usr uss ust usu usv utb ute uti utl utn utr uts utt utu utv uue uun uur uus uut uuu uvb uve uvl uvs uvu uvv v-e vbi vbl vbr vbs vbv veb vee vei vel ven ver ves vet veu vi- vib vie vii vil vin vir vis vit viu viv vl- vlb vle vll vls vlt vlv vn- vni vnl vnr vns vnu vnv vrb vre vri vrn vrr vrs vrt vru vsb vse vsi vsl vsn vsr vss vst vsu vsv vtb vte vti vtl vtr vts vtt vtu vtv vue vul vur vus vut vuv vvb vvi vvr vvs vvt vvv