bbbb bbeb bbet bblb bbpr bebb bebe bebi bebo beeb beel beep beer beet beil beir beit bele beli bell belo belp belt beo- beor beot bepo bere beri bero berr bert bete beti beto bett bibb bibe bibi bibl bibo bieb biel bier biet bile bili bill bilo bilt bio- bioi biol biot bipp birb bire biri birl biro birr birt bite bito bitt blbt bleb blee blei bleo blet blio blip blir blit blob bloo blop blot bobb bobe bobi bobo boee boel boeo boep boer boet boi- boie boii boil boit bole boli boll bolo bolt boob booe bool boop boor boot bope bopp bor- bore bori boro borr bort botb bote boti boto bott bpel bpoe bpot bpti breb bree brei brel breo brep brer bret brie bril brio brit brlp brob broe brol broo bror brot brrr btbp btie btlp btob btor btrt bttb ebbo ebbr ebel eber ebit ebli eboe ebol eboo ebor ebpo ebro eeee eele eero eete eiei eier eile eipo eipr eire eitb eiti eito eitr el-b el-p elbe elbi elbo elee eleo eler elet elie elil elio elit elle elli ello eloi elpe elpi elro elte elto eoir eole eoli eolo eore eori eorl eoto epee eper epi- epie epil epip epit eple epll epol epor epot eppo eppp eprb epro eprp epte erbb erbe ereb erei erel erer eret erie eril erio erit erle erli erll erob eroe eroi erol eroo erpe erre erro ertl etbr etee etel eter etio etoe etre etro ette etti etto i-be ibet ibie ible ibot ibri ibro ibtb ibtl ieet ieie ieio iele iere ieri iett iiie iiii iiio iiit iioi iioo iiop iitr iitt ile- ileo iler ilet ilie ilio ilir ilit ill- ille illi illo illp illt iloo ilot ilpe ilpr ilre iobi ioee ioel ioii ioio ioit iole iolo iooi iooo iopl iore iori iote ioto iper ipet ipie ipil iplo ipoe ipop ippo ippr ipri ipto irbe irbp iree irel irer iri- irie iril irio irip irlb irob irop irpe irre irri irte irti irtp itbe itel itep iter itet itie itil itll itoi itol itoo itor itri itto lblr lbrt lebo leel leep leer leet leib leie leil leio leir leit lele leli lell lelo leoi leor lepe lepi lepo lepp lept lere lero lerp lert lete leti leto lett libe libo libr lieb liel liep lier liet liii liir lilb lile lili lill lilo lilt lio- lior lip- lipb lipe lipi lipl lipo lipp lire liri lirl liro lirp lirr lirt litb lite liti litl lito litr litt llet llll lloo lob- lobb lobe lobi lobo loeb loei loir loit lole loli loll lolo loob looe lool loop loor loot lope lopi lopp lore lori loro lote loti lotl loto lotr lott lppl lprp lptb lroi lrrr ltbl ltee ltib lttr o-eo obbo obel ober obet obie obit oble oboe oboi obol obor obot obre obri obro oeil oele oere oeti oier oiii oire oirt oiti olbo ole- olei oleo oler olet olib olie olio olit olle olli ollo olor olot olpe oobe oobi ooer oolo oooo oore oort ootb ootp opei opel opep oper opet opie opii opio opit ople opo- opor oppi oppo opti opto orbb orbe orbi orbo ore- oreb orel oreo orer ori- orie oril orio orit orle orlo oro- oroe oror orot orpe orpi orri orro orte orto otee otep oter otit oto- otoe otoo otor otpp otre otro otte otti otto pbil pebl peel peep peer peet peil peio peip peir peit pel- pelb pele pell pelo pelt peor pepe pepi pepo per- pere peri perl pero perp perr pert pete peti peto petr pett pibb pibi piel piep pier piet piip pil- pile pili pill pilo pilt piob piot pipe pipi pipo pipp pire piri pirl piro pirr pite piti pito pitr pitt plbr ple- pleb plee plei pleo plet plib plie plio plip plit plob ploo plop plot plpp plri pltt pobo poel poer poet poil poio pole poli poll polo polt pool poop poor poot pop- pope popi popo popp popt porb pore pori poro porr port pote poti poto pott pper ppib ppie pple ppli pplo pppo pppp pptt pre- preb pree prel prep pret pri- prie prii prle prlr pro- prob proe prol proo prop prot prri prti prtp prtr ptbl pter ptol ptop rbbb rbbr rble rebb rebe rebo reeb reel reep reet reii reil reir reit relb rele rell relo relp relt reol reop reot repe repi repl repo repp repr rept rere reri rero rert rete reti reto retr rett rib- ribe ribo riel riep rier riet rile rill rilo rilp riol riot ripe ripi ripl ripp ripr ript rire riri rite riti ritl rito ritt rlee rob- robb robe robi robo robt roel roer roet roil roio roir roit role roll rolo rolp rolt roob rooi rool roop roor root rope ropo rore rori roro rort rote roti rotl roto rotr rott rpet rpii rpob rpoe rrle rrrr rtee rtei rtle rtlt rttp tbil tbit tbrb tbtp tebo teel teer teet teie teil teip teir tel- tele teli tell telo telt teor tepe tepi tepp ter- tere teri tero terp terr tete teti teto tetr tett tibi tie- tiee tiei tiel tieo tiep tier tiet tiit tile till tilo tilr tilt tiop tip- tipe tipi tipo tipp tipt tirb tire tiri tirl tiro tirr tite titi tito titp titt tlli tobe tobi tobo tobt toee toei toer toet toie toil toit tol- tole toli toll tolo tolt tool toor toot top- tope topi topo topp topt tore tori toro torp torr tort tote toti toto totr tott tper tpir tpol tppp tppr tpte tptp tptr tre- tree trei treo tret tri- trib trie tril trio trip trit troe troi troo trop trot trpe trpp trte trtr ttbb tteo tter ttoe ttop tttt