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