bbbb bbeb bbet bblb bbpr bbrc bcbc bcbp bccc bccl bcec bcer bcet bcor bcpl bcpp bctc bebb bebe bebo beeb beel beep beer beet bele bell belo belp belt beo- beor beot bepo berc bere bero berr bert betc bete beto bett blbt bleb blee bleo blet blob bloc bloo blop blot blrc bobb bobe bobo boce boco boec boee boel boeo boep boer boet bole boll bolo bolt boob booc booe bool boop boor boot bope bopp bor- bore boro borr bort botb bote boto bott bpcp bpel bpoe bpot bprc brcb brce breb brec bree brel breo brep brer bret brlp brob broc broe brol broo bror brot brrr brtc btbp btcc btcl btec btlp btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcl cbcp cbcr cbct cbec cbee cber cbet cblb cblc cbol cbot cbpc cbpp cbre cbrl cbrt cbtc cbtl ccbc cccb cccc cccl cccp ccee ccel cclc ccob ccoc ccpe ccpl ccpp ccpr ccrc ccre ccrl ccrp ccrt cctb cctc cctl cctt cebp cec- cece ceco cecp cect ceeb ceec ceel cel- celc cele cell celo celt ceol ceop ceor cepc cepe cepo cepp cepr cept cer- cerc cere cerl cero cerp cert cet- cete ceto cetp clec clee cleo clep cler clet clob cloe cloo clop clor clot clpb clpp clro cltb cltc cobb cobe cobo coce coco cocp coct coel coep col- colb cole coll colo colp colt coob cool coop coot cope copo copp copr copt cor- corb corc core corl coro corp corr cort cotb cotc cote coto cott cpbc cpce cpeb cpep cper cplc cpre cprt cptp cptr crbc crcc crce crcr cre- creb crec cree creo crep cret crob croc croe crol croo crop cror crot crpc crrt crtc crtl crtp ctcp ctec ctep ctle ctol ctor ctot ctpo ctpp ctrc ctrl ctrp e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebpo ebro ecbc ecbe eccb eccc ecce eccl ecco ecct eclt eco- ecol ecop ecot ecpp ecrc ecrl ecrr ect- ectc ecto eeee eele eeoc eerc eero eetc eete el-b el-p elbe elbo elcb elce elco elec elee eleo eler elet elle ello elpe elro elte elto eole eolo eore eorl eotc eoto epcc epec epee eper eple epll epoc epol epor epot eppc eppo eppp eprb epro eprp epte erbb erbe ercc erce ercp ereb erec erel erer eret erle erll erob eroc eroe erol eroo erpe errc erre erro ertl etbc etbr etcc etco etec etee etel eter etoe etre etro ette etto lbcc lblr lbrt lcbc lccc lcce lcer lcor lcpc lcpl lcrl lctl lcto lebo lece leco lect leel leep leer leet lele lell lelo leoc leor lepe lepo lepp lept lerc lere lero lerp lert lete leto lett llcc llet lllc llll lloc lloo lob- lobb lobe lobo locc loce loco loeb lole loll lolo loob looc looe lool loop loor loot lope lopp lore loro lote lotl loto lotr lott lpec lppl lprp lptb lroc lrrc lrrr ltbl ltcc ltee lttc lttr o-eo obbo obec obel ober obet oble oboe obol obor obot obre obro ocbc occc occt oce ocee ocet oclc ocpp ocre ocrl ocro ocrr oct- octe octo oec- oecc oeec oele oere olbo olcc ole- oleo oler olet olle ollo olor olot olpc olpe oobe oocr ooer oolo oooo oore oort ootb ootp opec opel opep oper opet ople opo- opor oppo opto orbb orbe orbo orce orco ore- oreb orec orel oreo orer orle orlo oro- oroe oror orot orpc orpe orro ortc orte orto otcl otee otep oter oto- otoe otoo otor otpp otre otro otte otto pbcc pboc pcbc pccc pcce pccl pcep pcer pcll pclo pcoe pcpb pcpp pcrc pcre pcrl pcte pebl pece pecl peco pecr pect peec peel peep peer peet pel- pelb pele pell pelo pelt peor pepe pepo per- perc pere perl pero perp perr pert pete peto petr pett plbr plcc plce ple- pleb plec plee pleo plet plob ploc ploo plop plot plpp pltt pobo poce poco poel poer poet pole poll polo polt pool poop poor poot pop- popc pope popo popp popt porb porc pore poro porr port potc pote poto pott ppcc pper pple pplo pppo pppp pprc pptt prbc prcc prcp pre- preb prec pree prel prep pret prle prlr pro- prob proc proe prol proo prop prot prtc prtp prtr ptbl ptcc ptcl pter ptol ptop pttc rbbb rbbr rbcl rble rcbc rcbo rccb rccc rcep rcet rcle rcpo rcpt rctc rebb rebe rebo recc rece recp recr rect reeb reel reep reet relb rele rell relo relp relt reol reop reot repe repl repo repp repr rept rere rero rert rete reto retr rett rlee rob- robb robe robo robt rocc roce roco roel roer roet role roll rolo rolp rolt roob rool roop roor root rope ropo rorc rore roro rort rotc rote rotl roto rotr rott rpet rpob rpoe rrle rrrr rtcc rtce rtee rtle rtlt rttp tbcb tbcc tbce tbrb tbtp tccc tcep tcpo tctc tebo tecl teco tecr tect teec teel teer teet tel- telc tele tell telo telt teor tepe tepp ter- terc tere tero terp terr tete teto tetr tett tlco tobe tobo tobt toce toco toee toer toet tol- tole toll tolo tolt tool toor toot top- tope topo topp topt torc tore toro torp torr tort totc tote toto totr tott tpcp tper tpol tppp tppr tpte tptp tptr trcc trcl tre- trec tree treo tret troc troe troo trop trot trpc trpe trpp trtc trte trtr ttbb ttcp tteo tter ttoe ttop tttt