-er b-u bbb bbe bbm bbn bbr bbs bbt bbu be- beb bee bem ben ber bes bet beu bev bmb bme bmm bmn bmr bms bmt bmu bmv bnb bne bnn bnr bns bnt bnu bnv brb bre brm brn brr brs brt bru brv bsb bse bsm bsn bsr bss bst bsu bsv btb bte btm btn btr bts btt btu btv bub bue bum bun bur bus but buu bvb bve bvm bvn bvr bvs bvt bvu bvv ebb ebe ebm ebn ebr ebs ebt ebu ebv eeb eee eem een eer ees eet eev em- emb eme emm emn emr ems emt emu emv en- enb ene enm enn enr ens ent enu env erb ere erm ern err ers ert eru erv es- esb ese esm esn esr ess est esu esv etb ete etm etn etr ets ett etu etv eu- eub eue eun eur eus eut euv evb eve evm evn evr evs evt evv m-r m-v mbb mbe mbm mbr mbs mbt mbu mbv meb mee mem men mer mes met meu mev mmb mme mmm mmn mmr mms mmt mmu mmv mnb mne mnm mnn mnr mns mnt mnu mrb mre mrm mrn mrr mrs mrt mru mrv msb mse msm msn msr mss mst msu msv mtb mte mtm mtn mtr mts mtt mtu mtv mub mue mum mun mur mus mut muu mvb mve mvm mvn mvr mvs mvt mvv nbb nbe nbm nbn nbr nbs nbt nbu nbv ne- neb nee nem nen ner nes net neu nev nmb nme nmm nmn nmr nms nmt nmu nnb nne nnm nnn nns nnt nnu nnv nrb nre nrm nrn nrr nrs nrt nru nrv nsb nse nsm nsn nsr nss nst nsu nsv ntb nte ntm ntn ntr nts ntt ntu ntv nub nue num nun nur nus nut nuu nuv nvb nve nvm nvn nvt nvu nvv rbb rbe rbm rbn rbr rbs rbt rbu re- reb ree rem ren rer res ret reu rev rmb rme rmm rmn rmr rms rmt rmv rnb rnm rnn rnr rns rnt rnu rnv rrb rrm rrn rrr rrs rrt rru rsb rse rsm rsn rsr rss rst rsu rsv rtb rte rtm rtn rtr rts rtt rtu rtv rub rue rum run rur rus rut ruu ruv rvb rve rvm rvn rvr rvs rvt rvu rvv sbb sbe sbm sbn sbr sbs sbt sbu sbv se- seb see sem sen ser ses set seu sev smb sme smm smn smr sms smt smu smv snb sne snm snn snr sns snt snu snv sr- srb sre srm srn srr srs srt srv ss- ssb sse ssm ssn ssr sss sst ssu ssv stb ste stm stn str sts stt stu stv sub sue sum sun sur sus sut suu suv svb sve svm svn svr svs svt svu svv tbb tbe tbm tbn tbr tbs tbt tbu tbv te- teb tee tem ten ter tes tet teu tev tmb tme tmm tmn tmr tms tmt tmu tmv tnb tne tnm tnn tnr tns tnt trb tre trm trn trr trs trt tru trv tsb tse tsm tsn tsr tss tst tsu tsv ttb tte ttm ttn ttr tts ttt ttu ttv tub tue tum tun tur tus tut tuu tuv tvb tve tvm tvn tvr tvs tvt tvu ubb ube ubn ubr ubs ubt ubu ubv ueb uee uem uen uer ues uet um- umb ume umm umn umr ums umt umu un- unb une unm unn unr uns unt unu unv ur- urb ure urm urn urr urs urt uru usb use usm usn usr uss ust usu usv utb ute utm utn utr uts utt utu utv uue uum uun uur uus uut uuu uvb uve uvm uvs uvu uvv v-e vbm vbr vbs vbv veb vee vem ven ver ves vet veu vm- vmm vmn vmr vmt vmu vn- vnm vnr vns vnu vnv vrb vre vrm vrn vrr vrs vrt vru vsb vse vsm vsn vsr vss vst vsu vsv vtb vte vtm vtr vts vtt vtu vtv vue vum vur vus vut vuv vvb vvm vvr vvs vvt vvv