-er b-u bbb bbe bbf bbr bbs bbt bbu be- beb bee bef ber bes bet beu bev bfb bfe bff bfr bfs bft bfu bfv brb bre brf brr brs brt bru brv bsb bse bsf bsr bss bst bsu bsv btb bte btf btr bts btt btu btv bub bue buf bur bus but buu bvb bve bvr bvs bvt bvu bvv ebb ebe ebf ebr ebs ebt ebu ebv eeb eee eef eer ees eet eev ef- efb efe eff efr efs eft erb ere erf err ers ert eru erv es- esb ese esf esr ess est esu esv etb ete etf etr ets ett etu etv eu- eub eue euf eur eus eut euv evb eve evf evr evs evt evv fbb fbe fbf fbr fbs fbt fbu feb fee fef fer fes fet feu fev ffe fff ffr ffs fft ffu ffv frb fre frf frr frs frt fru fsb fse fsf fsr fss fst fsu fsv ftb fte ftf ftr fts ftt ftu ftv fub fue fuf fur fus fut fuu fuv fvt rbb rbe rbf rbr rbs rbt rbu re- reb ree ref rer res ret reu rev rfb rfe rff rfr rfs rft rfu rfv rrb rrf rrr rrs rrt rru rsb rse rsf rsr rss rst rsu rsv rtb rte rtf rtr rts rtt rtu rtv rub rue ruf rur rus rut ruu ruv rvb rve rvf rvr rvs rvt rvu rvv sbb sbe sbf sbr sbs sbt sbu sbv se- seb see sef ser ses set seu sev sfb sfe sff sfr sfs sft sfu sfv sr- srb sre srf srr srs srt srv ss- ssb sse ssf ssr sss sst ssu ssv stb ste stf str sts stt stu stv sub sue suf sur sus sut suu suv svb sve svf svr svs svt svu svv tbb tbe tbf tbr tbs tbt tbu tbv te- teb tee tef ter tes tet teu tev tfb tfe tff tfr tfs tft tfu trb tre trf trr trs trt tru trv tsb tse tsf tsr tss tst tsu tsv ttb tte ttf ttr tts ttt ttu ttv tub tue tuf tur tus tut tuu tuv tvb tve tvf tvr tvs tvt tvu ubb ube ubf ubr ubs ubt ubu ubv ueb uee uef uer ues uet ufe uff ufr ufs uft ufu ufv ur- urb ure urf urr urs urt uru usb use usf usr uss ust usu usv utb ute utf utr uts utt utu utv uue uur uus uut uuu uvb uve uvf uvs uvu uvv v-e vbr vbs vbv veb vee vef ver ves vet veu vfb vff vfr vfs vft vfu vfv vrb vre vrf vrr vrs vrt vru vsb vse vsf vsr vss vst vsu vsv vtb vte vtr vts vtt vtu vtv vue vur vus vut vuv vvb vvr vvs vvt vvv

bbbb bbbs bbeb bbet bebb bebe beeb beef beer bees beet befe beff beft bere berr bers bert beru bes- bese bess best bete bets bett betu betv beur bevs bffs bfsr bfts bftt breb bree bref brer bres bret brev brfu brrr brrs brsb brsr brst brue brus brut bruv bseb bsee bser bses bset bsff bsfs bsse bsts bstv btrt btss bttb btus bubb bube bubs bubu buer bueu bufe buff bufr bur- burb bure burr burs burt buru buse buss bust busu but- bute buts butt buus buve ebbr ebbs eber ebes ebru ebur ebus eeee eees eefe eers eese eete eets eetu efbr efes efet effs eft- efts eftu erbb erbe ereb erer eres eret erev erfs erft erre errs erse erst erts ertu erub erur erus eruv erve esbs esee eser eses eset esfs esse esst essu este estr ests estv esuf esus etbr etee eter etes etfb etfe etre etsu ette ettu euer eur- eure eurt euse ever eves evet evre evrs evst fbrs fbus febs feeb feer fees feet fefe feff ferb fere ferr fers fert feru ferv fese fess fest fete fetr fets fett fetu fetv feus feve fevr ffee ffff ffrr ffss fftf ffvs fr-v free fres fret frsb frst frub frue frvt fssf fstv fter ftrs ftse ftsr ftub fubb fubs fubu fuet fuff fufu fur- fure furr furs furt fuse fuss fust fusu fute futs futu fvsu rbbb rbbr rbbs rbss rbst rebb rebe rebs rebu reeb reef rees reet reev refe reff refr refs reft refu rere rers rert reru rese ress rest rete retr rets rett reue reuf reus reut reuu reve revs rfef rrrr rsee rsre rsts rstu rtbf rtee rtes rtfb rtss rtts rtve rubb rube rubs rubu ruer rues ruet rufe ruff ruft rure rurs ruru ruse russ rust rusu rute ruts rutt rutu ruve ruvu rver s-vt sbbs sbef sber sbse sbst sbus se-e se-f se-s se-t se-u sebe sebs sebt seeb seef seer sees seet seeu seff seft serb sere serf serr sers sert seru serv sese sess sest set- sete setf sets sett seur seve sfer sfss sfsu sfts sreb sres srtr srtv srub ssbr ssee sses sset ssrs sssb sssf ssss sstb ssts st-v stbs stee stef ster stes stet stev stfu stre strs stru stsf stss sttr stub stue stuf stur stus stut stuv stvs sub- subb subs suee suer sues suet sueu suev suf- suff sufr sufs sufu sur- sure surf surr surs surt suru surv sus- suse suss sust susu sute sutu suus suvs svet svtr tbbs tbrb tbst tebu teef teer tees teet teev teff teft ter- tere terf terr ters teru tese tess test tete tetr tets tett tetu teut tfeb tfrs tfss tre- tree tref tres tret treu trev trfr trst trte trtr trub true trus trut truu trvs tses tset tsse tssf tssr tsst tsts ttbb tter ttff ttss tttt tubb tube tubr tubs tubu tuer tues tuet tufe tuff tuft tufu turb ture turf turr turs turt turu tuss tust tute tuts tutt tutu tvbs tver tves tvrr tvss tvtv ubbe uber ubet ubtf uers