-er bbb bbe bbl bbr bbt bbw be- beb bee bel ber bet bew blb ble bll blr blt brb bre brl brr brt brw btb bte btl btr btt btw bwb bwl bwr ebb ebe ebl ebr ebt ebw eeb eee eel eer eet eew elb ele ell elr elt elw erb ere erl err ert erw etb ete etl etr ett etw ewb ewe ewl ewr ewt eww lbb lbe lbl lbr lbt lbw leb lee lel ler let lew llb lle lll llr llt llw lrb lrr lrt lrw ltb lte ltl ltr ltt lwb lwl lwr lww rbb rbe rbl rbr rbt rbw re- reb ree rel rer ret rew rle rll rlr rlt rlw rrb rrl rrr rrt rtb rte rtl rtr rtt rtw rwb rwe rwl rwr tbb tbe tbl tbr tbt te- teb tee tel ter tet tew tle tll tlr tlt tlw trb tre trl trr trt trw ttb tte ttl ttr ttt ttw twb twe twl twr twt tww wbb wbe wbr wbt wbw web wee wel wer wet wew wl- wlb wle wll wlr wlt wlw wr- wre wrl wrr wrt wrw wtb wtr wtt wtw wwe wwl wwt www

bbbb bbeb bbet bblb bbwr bebb bebe beeb beel beer beet bele bell belt belw bere berr bert bete bett betw bewe blbt bleb blee blet blew blw- breb bree brel brer bret brew brrr brwe btrt bttb ebbr ebbw ebel eber eeee eele eete el-b elbe elee eler elet elle elte erbb erbe ereb erel erer eret erew erle erll erre ertl erwt etbr etee etel eter etre ette ewer ewew ewle ewre ewte lblr lbrt leel leer leet lele lell lere lert lete lett lewe llet llew llll lrrr ltbl ltee lttr lwbt rbbb rbbr rble rebb rebe reeb reel reet relb rele rell relt rere rert rete retr rett rewe rewl rlee rrle rrrr rtee rtle rtlt tbrb teel teer teet tel- tele tell telt ter- tere terr tete tetr tett tre- tree tret trew trte trtr trwe ttbb tter tttt twbt twee twer wbbb wbbe wbbl wbbr wbbt wbbw wbeb wbel wber wbet wbew wblb wble wbll wblt wblw wbrb wbrr wbrt wbrw wbte wbtr wbtt wbtw wbwb wbwl wbwt webb webe webl webt weeb weel weer weet welb wele well welr welt wer- werb were werl werr wert werw wetb wete wetr wett wewe wlbb wlbe wlbl wlbr wlbt wlbw wlee wlel wlew wlle wlll wllr wllt wllw wlrb wlrr wlrt wlrw wltb wltl wltr wltt wltw wlwe wlwl wlwt wrbb wrbe wrbl wrbt wrbw wreb wree wrel wrer wret wrew wrlb wrll wrlr wrlt wrrb wrre wrrl wrrw wrtb wrte wrtr wrtw wrwb wrwr wtbb wtbr wtel wtlr wtlw wtrb wtre wtrt wtrw wttb wtte wttl wttr wttt wttw wtwb wtwr wtwt wtww wwbb wwbl wwbr wwbt wweb wwel wwer wwet wwlb wwle wwll wwlr wwlw wwrb wwre wwrl wwrr wwrw wwtr wwtw wwwe wwwl wwwr wwww

-tree bbbee be-er bebel beber beebe beele beete belee belet belew bellb belle belwe berbe berel beret berle berre berte berwe betee betel beter betle betre bett- bette bewer bewet bewte bleer bleet blere blete blewe breel breer breet brell brere brett brewe brrrr btr-t ebber ebbet ebble ebell eberl ebert eeeee eeler eleet elele ellel eller ellet erbbe erber erere erewe errew erte ertel erter etete etree ettel etter ettle etwee ewell ewert lebel leber lebet leell leere leert lelle lerer letbe letre lette lewer lewre lewte rebbe rebel reber rebet reere reewe relee relet relte rere- reree reret retee retel reter retew rette rewel rewer rewet rewle rewll tbtbt teber tebet teele teell tele- teler tell- telle telwe teret terre tert- tetel teter tetle tetr- tette tewel tewer tewet tlell tlett tllbr treer treet trele trere trete trett trewe ttttt tweel tweer tweet twell twelt twere webbe weber webwe weebl weele weere weert weete welew welle welte werbe were- werel werew werle werre werte weter wette wrele wrete wrett wwwww

b-reel b-tree bbbbbb beebee beeler beeter beetle belber belett belewe beller bellet bellew beltel belter beltre berbee berber bereel bereet berere berrer berret bertel bertre betell betere betete bettee bettel better bettle bewell bewter bleere brebel breere brette brewer brewet ebbert eberle eebree elbert eleele ellett elwell erbree errett ewelle ewerer lebert lebret leelee leerer leetle lelwel lerret letter lettre lewter r-tree re-let rebble rebell rebrew rebtel reeler relewe reller rereel reteer reteet retell retere retree retret rettel retter rewele rewere rewlle t-tree teebee teetee teeter telele telete tellee teller terete terrel terrer terret terter tertre tetele tetete tetter tewell trbble trebel treble treete treewe trelew tretee trette twerle webber weblet weeble weewee welewe weller welter weltre werble werlte wertew wetere wetlet wetter wewell wewere wrette

bbbbbbb beetler beetree beletre belette bellewe berbere berrett bertree bletter blewett brelett brettle elbette ellerbe elteber et-tell leleble lettere letterl letterw lettret letwell lletter rebelle reteere reterre retrete rettert retweet reweler teltele terelle terere terreer terrell terrere tettete trebler treblet treelet treetee trettle trettre trewell tweeter tweetle twelter wee-wee wellwer werrell

bbbbbbbb bebetter beerbell beletter belleter belletre berebere bertwell betterer bretelle brettell ellerbee erlebert etbetter letteree letterer letteret rebeller reletter reteller treblett welltree

beebeebee letterewe letterlet tebe-tebe weet-weet weeweewee

beerbrewer betterbeer rebelrebel

wellwellwell

bbbbbbbbbbbbbbb