-er -ol bbb bbe bbl bbo bbr bbt be- beb bee bel beo ber bet bev bjj bjr bjt blb ble blj bll blo blr blt blv bob boe boj bol boo bor bot bov brb bre brj brl bro brr brt brv btb bte btl bto btr btt btv bvb bve bvl bvo bvr bvt bvv ebb ebe ebj ebl ebo ebr ebt ebv eeb eee eel eeo eer eet eev ejl ejo ejt elb ele ell elo elr elt elv eo- eob eoe eol eoo eor eot erb ere erl ero err ert erv etb ete etj etl eto etr ett etv evb eve evl evo evr evt evv jbj jbl jbo jbr jbt jeb jee jej jel jeo jer jet jjb jjj jjl jjr jlb jle jll jlo jlr jlt job joe joj jol joo jor jot jrb jrl jro jrr jrt jtb jte jtl jtr jtt jtv jvb jvl jvt lbb lbe lbj lbl lbo lbr lbt lbv leb lee lej lel leo ler let lev lje ljj llb lle llj lll llo llr llt llv lob loe loj lol loo lor lot lov lrb lro lrr lrt lrv ltb lte ltl lto ltr ltt ltv lvb lve lvl lvr lvt lvv ob- obb obe obj obl obo obr obt obv oeb oee oel oeo oer oet ojb oje ojo olb ole oll olo olt oo- oob ool ooo oor oot oov or- orb ore orl oro orr ort orv ot- otb ote otl oto otr ott otv ov- ovb ove ovl ovo ovv rbb rbe rbl rbo rbr rbt re- reb ree rel reo rer ret rev rjr rle rll rlo rlr rlt rob roe roj rol roo ror rot rov rrb rrl rrr rrt rtb rte rtj rtl rto rtr rtt rtv rvb rve rvl rvo rvr rvt rvv tbb tbe tbj tbl tbo tbr tbt tbv te- teb tee tej tel teo ter tet tev tje tjo tjr tle tlj tll tlo tlr tlt tlv to- tob toe toj tol too tor tot tov trb tre trl tro trr trt trv ttb tte ttl tto ttr ttt ttv tvb tve tvl tvo tvr tvt v-e vbl vbo vbr vbv veb vee vel veo ver vet vl- vlb vle vll vlo vlt vlv vob voe vol voo vor vot vov vrb vre vrr vrt vtb vte vtl vto vtr vtt vtv vvb vvo vvr vvt vvv

bbbb bbeb bbet bblb bebb bebe bebo beeb beej beel beer beet bele bell belo belt beo- beor beot bere bero berr bert bete beto bett betv bevo blbt bleb blee bleo blet blob bloo blot blvt bobb bobe bobo boee boel boeo boer boet bojo bojt bole boll bolo bolt boob booe bool boor boot bor- bore borj boro borr bort botb bote boto bott bove bovo breb bree brel breo brer bret brev brje brob broe brol broo bror brot brrr btob btor btrt bttb ebbo ebbr ebel eber eboe ebol eboo ebor ebro eeee eele eelv eero eete ejer ejob ejoo ejot el-b elbe elbo elee eleo eler elet elev elle ello elro elte elto elve elvo eole eolo eore eorl eoto erbb erbe ereb erel erer eret erev erle erll erob eroe erol eroo erre erro ertl erve etbr etee etel eter etoe etre etro ette etto etvo evel ever evet evje evoe evol evoo evre j-ro jbel jbob jbtv jebb jebe jeel jeer jeet jell jeol jere jero jert jetb jete jetl jett jobe jobo joee joel jojo jole joll jolo jolt jool joor joot jore jorl joro jort joto jott jove jovo jrbr jtol lblr lbrt lebo leej leel leer leet lele lell lelo leor leov lere lero lert lete leto lett lev- leve levo ljeb llet llll lloo lo-v lob- lobb lobe lobo loeb loje lojo lole loll lolo loob looe looj lool loor loot lore loro lote lotl loto lotr lott lotv love lovo lrrr lrtv ltbl ltee lttr lttv lvov lvrr o-eo obbo obel ober obet oble oboe obol obor obot obre obro oele oere olbo ole- oleo oler olet olev olle ollo olor olot olov oobe ooer oolo oooo oore oort ootb orbb orbe orbo ore- oreb orel oreo orer orle orlo oro- oroe oror orot orro orte orto orve orvr otee oter oto- otoe otoo otor otov otre otro otte otto ovee over ovet ovo- ovol ovoo ovot ovre rbbb rbbr rble rebb rebe rebo reeb reel reet reev relb rele rell relo relt reol reot rere rero rert rete reto retr rett reve revo rjtv rlee rob- robb robe robo robt roel roer roet roev roje rojo role roll rolo rolt roob rool roor root rore roro rort rote rotj rotl roto rotr rott rove rovo rrle rrrr rtee rtle rtlt rtve rver tbrb tebo teej teel teer teet teev tejo tel- tele tell telo telt teor ter- tere terj tero terr tete teto tetr tett tevl tobe tobo tobt toee toer toet tojo tol- tole tolj toll tolo tolt tool toor toot tore toro torr tort torv tote toto totr tott tove tovo tre- tree treo tret trev troe troo trot trte trtr trvl ttbb tteo tter ttoe tttt tvel tver tvro tvrr tvtv veel veer veet vel- vele vell velo velt veol veor ver- verb vere verl vero vert vete veto vetr veve vevo vlvt voel voer voet vole voll volo volt vool voor voot vor- vore voro vort vote voto vrbl vreo vret vrot vrto vtol vtvl vver vvob vvvv

-tree bbbee be-er be-ro bebel beber beblo bebot beebe beele beete beeve bejel bejte belbo belee belej belet bellb belle bello belot belov beote berbe berel beret berle berlo berob beroe berol beror berre berte berto betee betel beter betle betoo betor betre bett- bette betto bevel bever bevor bleer bleet blere blete bleve bloor blorb blore blort blote bloto blott bo-bo bobet boble bobov bobr bobre boeol boero bojer bolbe bolel boleo boler bolet boll- bolle bollo bolte bolto booer boole boore