-er bbb bbe bbg bbl bbr bbs bbt be- beb bee beg bel ber bes bet bgb bge bgg bgl bgr bgs bgt blb ble blg bll blr bls blt brb bre brg brl brr brs brt bsb bse bsg bsl bsr bss bst btb bte btg btl btr bts btt ebb ebe ebg ebl ebr ebs ebt eeb eee eeg eel eer ees eet egb ege egg egl egr egs egt elb ele elg ell elr els elt erb ere erg erl err ers ert es- esb ese esg esl esr ess est etb ete etg etl etr ets ett gbe gbg gbl gbr gbs gbt ge- geb gee geg gel ger ges get ggb ggg ggr ggs ggt glb gle glg gll glr gls glt grb gre grg grl grr grs grt gsb gse gsg gsl gsr gss gst gtb gte gtg gtl gtr gts gtt lbb lbe lbg lbl lbr lbs lbt leb lee leg lel ler les let lgb lge lgg lgl lgr lgs lgt llb lle llg lll llr lls llt lrb lrg lrr lrs lrt lsb lse lsg lsl lsr lss lst ltb lte ltg ltl ltr lts ltt rbb rbe rbg rbl rbr rbs rbt re- reb ree reg rel rer res ret rgb rge rgg rgr rgs rgt rle rlg rll rlr rls rlt rrb rrg rrl rrr rrs rrt rsb rse rsg rsl rsr rss rst rtb rte rtg rtl rtr rts rtt sbb sbe sbg sbl sbr sbs sbt se- seb see seg sel ser ses set sgb sge sgg sgl sgr sgs sgt slb sle slg sll slr sls slt sr- srb sre srg srl srr srs srt ss- ssb sse ssg ssl ssr sss sst stb ste stg stl str sts stt tbb tbe tbg tbl tbr tbs tbt te- teb tee teg tel ter tes tet tgb tge tgg tgl tgr tgs tgt tle tlg tll tlr tls tlt trb tre trg trl trr trs trt tsb tse tsg tsl tsr tss tst ttb tte ttg ttl ttr tts ttt

bbbb bbbs bbeb bbet bblb bbls bbrg bebb bebe beeb beeg beel beer bees beet begg begs bele belg bell bels belt bere berg berr bers bert bes- bese bess best bete bets bett bggs bgst blbt bleb blee bleg bles blet blls blrg blss blst blts breb bree breg brel brer bres bret brls brrr brrs brsb brsr brst bseb bsee bseg bser bses bset bsgs bsse bsts btrt btss bttb ebbr ebbs ebel eber ebes eeee eees eegs eele eels eerg eers eese eete eets egbe egee egel eger eggb egge eggs egle egre egsl egss egte egts el-b elbe elee eler eles elet elgg elle ells else elst elte elts erbb erbe ereb erel erer eres eret erg- ergg ergs erle erll erre errs erse erst ertl erts esbs esee esel eser eses eset esse essg essl esst este estr ests etbr etee etel eter etes etre ette gbbs gebe geel geer gees geet gege gegg gegl gelb gele gelg gell gels gelt gerb gere gerl gers gert gesg gess gest getb gete getg gets gett ggbt gggg ggss gleb glee gleg gles glet glge glrb grbr greb gree greg gres gret grrl grrr grrs grss gsse gstr gtbr lbgt lblr lbrs lbrt leel leer lees leet lege legg legs lele lell lere lert lese less lest lete lets lett lgbt lger lges lgte lgts llbs lles llet llll lrgb lrrr lrse lrst lrts ls-r lses lset lssr lsts ltbl ltee ltge ltgs ltrs ltsr lttr rbbb rbbr rbbs rble rbsl rbss rbst rebb rebe rebs reeb reel rees reet rege regl regr regs regt relb rele rell rels relt rere rerg rers rert rese ress rest rete retr rets rett rgbe rgtr rgts rlee rlls rrle rrrr rsee rsgb rsre rssl rsts rtee rtes rtgs rtle rtls rtlt rtss rtts sbbs sber sbse sbst se-e se-g se-s se-t sebe sebs sebt seeb seeg seel seer sees seet sege segg segs selb sele sell sels selt serb sere serg serr sers sert sese sess sest set- sete setl sets sett sger sges sggg sggs sglr sgls sgss sgts sleb slee sler sles slet slge slre slrs slst slts sreb sres srgb srtr ssbr ssee sses sset ssgs ssgt ssle sslt ssrg ssrl ssrs sssb ssss sstb sstl ssts stbs stee steg stel ster stes stet stge stgr stle stlg stlt stre strs stss sttr tbbs tbgs tbrb tbst teel teer tees teet tegg tegs tegt tel- tele telg tell tels telt ter- tere terr ters tese tesl tess test tete tetr tets tett tgel tgle tgts tlrs tre- tree treg tres tret trge trst trte trtr tses tset tsgt tsse tssg tssr tsst tsts ttbb tter ttss tttt

-tree bbbee bbser be-er bebel beber bebes beebe beebs beele beers beest beete beets begee beget begge beggs begle belee beleg beles belet belge bellb belle bells belts berbe bereg berel beres beret berge bergs berle berre berse berte berts besee beset besse beste bests betee betel beter betes betle betre betrs bett- bette betts blebs bleer blees bleet blegs blere blese bless blest blete blets blrgs breel breer brees breet breg- brege bregg brell brels brere brers brese bress brest brets brett brrrr btr-t ebber ebbet ebble ebell eberg eberl ebers ebert eeeee eeler egers egest egger egres egret eleet elele elers eless elest elets elge elgee elger ellel eller elles ellet elser elses eltrs erbbe erber erebs erege erere erest erets erles erres erses erste ersts erte ertel erter ertes esels esere esrel essel esser esses essse estee estel ester estes estet estre etest etete etree etres ettel etter ettes ettle gberg gebel geber gebet gebre geere geers geert geese geest geete gegge gelbs gelee geler gelle gells gelse gelts gerbe gerbs geres gerle gerre gers- gerse gerss gerts gertt geser gesse geste gests getee geter getsl gette getts glebe gleer glees gleet glegg glegs glele glere glese gless glest glete glett grebe greer