-er bbb bbe bbg bbr bbs bbt be- beb bee beg ber bes bet bev bgb bge bgg bgr bgs bgt bgv brb bre brg brr brs brt brv bsb bse bsg bsr bss bst bsv btb bte btg btr bts btt btv bvb bve bvg bvr bvs bvt bvv ebb ebe ebg ebr ebs ebt ebv eeb eee eeg eer ees eet eev egb ege egg egr egs egt erb ere erg err ers ert erv es- esb ese esg esr ess est esv etb ete etg etr ets ett etv evb eve evg evr evs evt evv gbe gbg gbr gbs gbt gbv ge- geb gee geg ger ges get gev ggb ggg ggr ggs ggt ggv grb gre grg grr grs grt grv gsb gse gsg gsr gss gst gsv gtb gte gtg gtr gts gtt gtv gvb gve gvg gvr gvs gvt rbb rbe rbg rbr rbs rbt re- reb ree reg rer res ret rev rgb rge rgg rgr rgs rgt rgv rrb rrg rrr rrs rrt rsb rse rsg rsr rss rst rsv rtb rte rtg rtr rts rtt rtv rvb rve rvg rvr rvs rvt rvv sbb sbe sbg sbr sbs sbt sbv se- seb see seg ser ses set sev sgb sge sgg sgr sgs sgt sgv sr- srb sre srg srr srs srt srv ss- ssb sse ssg ssr sss sst ssv stb ste stg str sts stt stv svb sve svg svr svs svt svv tbb tbe tbg tbr tbs tbt tbv te- teb tee teg ter tes tet tev tgb tge tgg tgr tgs tgt tgv trb tre trg trr trs trt trv tsb tse tsg tsr tss tst tsv ttb tte ttg ttr tts ttt ttv tvb tve tvg tvr tvs tvt v-e vbg vbr vbs vbv veb vee veg ver ves vet vgg vgr vgs vgt vrb vre vrg vrr vrs vrt vsb vse vsg vsr vss vst vsv vtb vte vtg vtr vts vtt vtv vvb vvg vvr vvs vvt vvv

bbbb bbbs bbeb bbet bbrg bebb bebe beeb beeg beer bees beet begg begs bere berg berr bers bert bes- bese bess best bete bets bett betv bevs bggs bgst breb bree breg brer bres bret brev brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bsse bsts bstv btrt btss bttb ebbr ebbs eber ebes eeee eees eegs eerg eers eese eete eets egbe egee eger eggb egge eggs egre egss egte egts erbb erbe ereb erer eres eret erev erg- ergg ergs erre errs erse erst erts erve esbs esee eser eses eset esse essg esst este estr ests estv etbr etee eter etes etre ette ever eves evet evre evrs evst gbbs gebe geer gees geet gege gegg gerb gere gers gert gesg gess gest getb gete getg gets gett geve ggbt gggg ggss grbr greb gree greg gres gret grev grrr grrs grss grve gsse gstr gtbr gvtv gvvv rbbb rbbr rbbs rbss rbst rebb rebe rebs reeb rees reet reev rege regr regs regt rere rerg rers rert rese ress rest rete retr rets rett reve revs rgbe rgtr rgts rrrr rsee rsgb rsre rsts rtee rtes rtgs rtss rtts rtve rver s-vt sbbs sber sbse sbst se-e se-g se-s se-t sebe sebs sebt seeb seeg seer sees seet sege segg segs serb sere serg serr sers sert serv sese sess sest set- sete sets sett seve sger sges sggg sggs sgss sgsv sgts sreb sres srgb srtr srtv ssbr ssee sses sset ssgs ssgt ssrg ssrs sssb ssss sstb ssts st-v stbs stee steg ster stes stet stev stge stgr stre strs stss sttr stvs sveg svet svrg svtr tbbs tbgs tbrb tbst teer tees teet teev tegg tegs tegt ter- tere terr ters tese tess test tete tetr tets tett tgts tre- tree treg tres tret trev trge trst trte trtr trvs tses tset tsgt tsse tssg tssr tsst tsts ttbb tter ttss tttt tvbs tver tves tvrr tvss tvtv vbrg veer vees veet vege vegs ver- verb vere vers vert vese vess vest vete vetr vets veve vret vrse vsee vses vsse vtes vtrs vver vvsb vvvv

-tree bbbee bbser be-er beber bebes beebe beebs beers beest beete beets beeve begee beget begge beggs berbe bereg beres beret berge bergs berre berse berte berts besee beset besse beste bests betee beter betes betre betrs bett- bette betts bever beves breer brees breet breg- brege bregg brere brers brese bress brest brets brett breve brrrr bt-sv btr-t e-vsb ebber ebbet eberg ebers ebert eeeee eevee eever eeves egers egest egger egres egret erbbe erber erebs erege erere erest erets ereve erres erses erste ersts erte erter ertes esere esser esses essse estee ester estes estet estre etest etete etree etres etter ettes evere everg everr evers evert evese evest evete evets evett eveve evres gberg geber gebet gebre geere geers geert geese geest geete gegge gerbe gerbs geres gerre gers- gerse gerss gerts gertt gerve geser gesse geste gests getee geter gette getts gettv gever grebe greer grees greet grege gregg gregs grese gress grest grete grett greve grrrr gsses gtsss rebbe rebeg reber rebet rebts reege reere reese reest reeve reger reges reget regev regge regts regtt rere- reree reres reret resee reses reset resse reste restr rests retee reter retes retrg rette retts rever reves revet revvs rtrev rvers sebbe sebes sebet seebe seege seere seers seese seest seete seetv seeve segeg seger seget segev segge segre segrt segtb serbs serer seres seret serge sergs sergt serre serse serss sert- serte serts sertv serve servt seser seses sesse seste setee seter setse sette setts sever ss-gb ssgts sssrb sssss steeg steer stees steet steg- stege stegs stere sterr sters stert stete stets steve stger stges strbe streb stree stret strrs strve svete tbtbt teber tebet teebs teege teers teese teest teets teges tegre teres teret terge terre terrs terse tert- terve tesse teste tests teter tetes tetr- tette teves tevet treer trees treet