-er -ol bbb bbe bbl bbo bbr bbt be- beb bee bel beo ber bet blb ble bll blo blr blt bob boe bol boo bor bot brb bre brl bro brr brt btb bte btl bto btr btt ebb ebe ebl ebo ebr ebt eeb eee eel eeo eer eet elb ele ell elo elr elt eo- eob eoe eol eoo eor eot erb ere erl ero err ert etb ete etl eto etr ett lbb lbe lbl lbo lbr lbt leb lee lel leo ler let llb lle lll llo llr llt lob loe lol loo lor lot lrb lro lrr lrt ltb lte ltl lto ltr ltt ob- obb obe obl obo obr obt oeb oee oel oeo oer oet olb ole oll olo olt oo- oob ool ooo oor oot or- orb ore orl oro orr ort ot- otb ote otl oto otr ott rbb rbe rbl rbo rbr rbt re- reb ree rel reo rer ret rle rll rlo rlr rlt rob roe rol roo ror rot rrb rrl rrr rrt rtb rte rtl rto rtr rtt tbb tbe tbl tbo tbr tbt te- teb tee tel teo ter tet tle tll tlo tlr tlt to- tob toe tol too tor tot trb tre trl tro trr trt ttb tte ttl tto ttr ttt

bbbb bbeb bbet bblb bebb bebe bebo beeb beel beer beet bele bell belo belt beo- beor beot bere bero berr bert bete beto bett blbt bleb blee bleo blet blob bloo blot bobb bobe bobo boee boel boeo boer boet bole boll bolo bolt boob booe bool boor boot bor- bore boro borr bort botb bote boto bott breb bree brel breo brer bret brob broe brol broo bror brot brrr btob btor btrt bttb ebbo ebbr ebel eber eboe ebol eboo ebor ebro eeee eele eero eete el-b elbe elbo elee eleo eler elet elle ello elro elte elto eole eolo eore eorl eoto erbb erbe ereb erel erer eret erle erll erob eroe erol eroo erre erro ertl etbr etee etel eter etoe etre etro ette etto lblr lbrt lebo leel leer leet lele lell lelo leor lere lero lert lete leto lett llet llll lloo lob- lobb lobe lobo loeb lole loll lolo loob looe lool loor loot lore loro lote lotl loto lotr lott lrrr ltbl ltee lttr o-eo obbo obel ober obet oble oboe obol obor obot obre obro oele oere olbo ole- oleo oler olet olle ollo olor olot oobe ooer oolo oooo oore oort ootb orbb orbe orbo ore- oreb orel oreo orer orle orlo oro- oroe oror orot orro orte orto otee oter oto- otoe otoo otor otre otro otte otto rbbb rbbr rble rebb rebe rebo reeb reel reet relb rele rell relo relt reol reot rere rero rert rete reto retr rett rlee rob- robb robe robo robt roel roer roet role roll rolo rolt roob rool roor root rore roro rort rote rotl roto rotr rott rrle rrrr rtee rtle rtlt tbrb tebo teel teer teet tel- tele tell telo telt teor ter- tere tero terr tete teto tetr tett tobe tobo tobt toee toer toet tol- tole toll tolo tolt tool toor toot tore toro torr tort tote toto totr tott tre- tree treo tret troe troo trot trte trtr ttbb tteo tter ttoe tttt

-tree bbbee be-er be-ro bebel beber beblo bebot beebe beele beete belbo belee belet bellb belle bello belot beote berbe berel beret berle berlo berob beroe berol beror berre berte berto betee betel beter betle betoo betor betre bett- bette betto bleer bleet blere blete bloor blorb blore blort blote bloto blott bo-bo bobet boble bobr bobre boeol boero bolbe bolel boleo boler bolet boll- bolle bollo bolte bolto booer boole boore boort borbo boree borel borer boret borle boro- boroo borot borre borro botel botet botro botte breel breer breet brell brelo breo- brere breto brett brobo broer brole broll brolo brool broto brrrr btr-t ebber ebbet ebble ebell ebelo eberl ebert eeeee eeler elbot eleet elele eleo- eleot ellel eller ellet elloe eloee elole eloor elore eloro elote elrob eltro eorre erbbe erber erere eroor erore eroto errol error erte ertel erter etete etoll etool etoro etree ettel etter ettle lebel leber lebet leell leere leert lelle lerer lerot letbe letot letre lette letto lobbe lobbo lober loble lobo- lobor loler lollo lolol looer loore loote lorel loreo lorer loret lorre lotor lotte lotto o-r-b obbet obele obert obete obole obolo oboro obote obreb oelet oerel oerle oleo- olere olleo oller oltet oltre oo-er ooooo orble orbot orell oreo- orere orero orlet orobe orobo oroer orret orter ortet ortoo otell otelo otere otero otole otolo ototo otter rebbe rebel reber rebet rebol reere relee relet rello relot relte rere- reree reret rerob retee retel reter retro rette retto ro-ro robbe robbo rober roble robo- robor robot robrt robte roell roero roleo rolle rollo rooer roole roore roote rorer roteb rotel roter rotle roto- rotol rotor rotot rotte rotto tbolt tbtbt teber tebet teele teell tele- teleo teler tell- telle tello telo- teolo teotl teret teror terre terro tert- tetel teter tetle tetr- tetro tette tlell tlett tllbr to-be tobbe tobel tober tobet tobol tobor tobot tobre toerr toeto tolbo toler tolet tolle tollo toloo tolor toobe toole toolt toore torbe torel toreo toret torob torre torro torte torto totel toter totle toto- totoe totoo totte treer treet trele trere trete trett troee troll trott ttttt

b-reel b-roll b-tree bbbbbb bebeto beblot beebee beeler beeter beetle belber belett beller bellet bellot belote beltel belter beltre berbee berbeo berber bereel bereet berere beroll berrer berret bertel bertre betell betere betete bettee bettel better bettle bettor bleere blello blobel blober blotto blottr bobber bobble bobete boblet bobote boeber boeler boerre bolbol bolbro bolero bolete boleto bollee boller bolobo bololo boltel bolter boober booboo booleo bootee booter bootle borbor boreel borele boreto borlee borler borlet borole borore bororo borrel borte botbol botere botero botete botoro