bbbb bbch bbeb bbet bblb bbrc bcbc bccc bccl bcec bcer bcet bche bcor bctc bebb bebe bebo bech beeb beel beer beet behr bele bell belo belt beo- beor beot berc bere bero berr bert betc bete beth beto bett bhcc bhel bher bhet bhor bhot bhrt blbt bleb blee bleh bleo blet blob bloc bloo blot blrc bobb bobe bobo boce boch boco boec boee boel boeo boer boet bohl boho bohr boht bole boll bolo bolt boob booc booe booh bool boor boot bor- bore borh boro borr bort botb bote both boto bott brcb brce breb brec bree brel breo brer bret brob broc broe broh brol broo bror brot brrr brtc btcc btcl btec btob btor btrc btrt bttb c-bo cbbc cbcc cbce cbcl cbcr cbct cbec cbee cber cbet cbhl cblb cblc cbol cbot cbre cbrh cbrl cbrt cbtc cbtl ccbc cccb cccc cccl ccee ccel cche cchl cchr cclc ccob ccoc ccrc ccre ccrl ccrt cctb cctc cctl cctt cec- cece ceco cect ceeb ceec ceel cehl cel- celc cele cell celo celt ceol ceor cer- cerc cere cerl cero cert cet- cete ceto chce chch cheb chec chee cheh chel cher chet chlc chlr chlt choc choh chol choo chor chrb chrc chro chrr chrt chto chtr chtt clec clee cleo cler clet clob cloe cloo clor clot clro cltb cltc cobb cobe cobh cobo coce coch coco coct coel coho col- colb cole coll colo colt coob cooh cool coot cor- corb corc core corl coro corr cort cotb cotc cote coth coto cott crbc crcc crce crcr cre- creb crec cree creh creo cret crob croc croe croh crol croo cror crot crrt crtc crtl ctec ctle ctol ctor ctot ctrc ctrl e-cl ebbc ebbo ebbr ebcc ebel eber eboe ebol eboo ebor ebro ecbc ecbe eccb eccc ecce eccl ecco ecct eche echl echo echt eclt eco- ecol ecot ecrc ecrl ecrr ect- ectc ecth ecto eeee eele eeoc eerc eero eetc eete eeth ehcc eheh ehel eher ehle ehlo ehre ehte el-b elbe elbo elcb elce elch elco elec elee eleh eleo eler elet elle ello elro elte elto eole eolo eore eorl eotc eoto erbb erbe ercc erce erch ereb erec erel erer eret erhc erle erll erob eroc eroe erol eroo errc erre erro erth ertl etbc etbr etcc etch etco etec etee etel eter eth- ethe etho etoe etoh etre etro ette etto hboc hbtl hcbc hccb hccc hcch hebb hebe hebo hebr hech hect heeb heel heer heet hehe heho hele hell helo helt heor herb herc here herl hero herr hert hete heth heto hett hhcl hhhh hler hobe hobo hoce hoch hocr hoel hoer hohe hohl hoho hol- holb holc hole holh holl holo holt hooe hool hoor hoot horc hore horl horo horr hort hotb hote hoth hotl hoto hotr hott hrbl hree hrob hrrc hrtb hrte htcc htet htoh htol httr lbcc lblr lbrt lcbc lccc lcce lcer lchc lchr lcor lcrl lctl lcto lebo lece lech leco lect leel leer leet lehe lehr lele lell lelo leoc leor lerc lere lero lert lete leth leto lett lhec lhee lhhh lhor llcc llet lllc llll lloc lloo lob- lobb lobe lobh lobo locc loce loch loco loeb lohe loho lohr lole loll lolo loob looc looe lool loor loot lore loro lote loth lotl loto lotr lott lroc lrrc lrrr ltbl ltcc ltee lthr lttc lttr o-eo obbo obec obel ober obet oble oboe obol obor obot obre obrh obro ocbc occc occt oce ocee ocet oche ocht oclc ocre ocrl ocro ocrr oct- octe octo oec- oecc oeec oele oere ohbe ohcc ohee ohel oher ohho ohob ohoh ohre ohte ohto olbo olcc ole- oleh oleo oler olet olle ollo olor olot oobe oocr ooer ooho oolo oooh oooo oore oort ootb orbb orbe orbo orce orch orco ore- oreb orec oreh orel oreo orer orhe orle orlo oro- oroe oror orot orro ortc orte orth orto otcl otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto rbbb rbbr rbcl rble rboh rcbc rcbo rccb rccc rcet rchb rcle rctc rebb rebe rebo recc rece rech recr rect reeb reel reet rehb rehe reht relb rele rell relo relt reol reot rere rero rert rete reth reto retr rett rhce rheb rhee rheo rhet rhob rhoc rhoh rlee rob- robb robe robo robt rocc roce roch roco roel roer roet rohe rohl rohr role roll rolo rolt roob rool roor root rorc rore roro rort rotc rote roth rotl roto rotr rott rrle rrrr rtcc rtce rtee rtle rtlt tbcb tbcc tbce tbrb tccc tch- tche tchh tcho tchr tctc tebo tech tecl teco tecr tect teec teel teer teet teho tehr tel- telc tele tell telo telt teoh teor ter- terc tere tero terr tete teth teto tetr tett thch the- theb thec thee thel theo ther thet thoe thoo thor thot thre thro thtb thtr tlco tobe tobo tobt toce toch toco toee toeh toer toet toho tol- tole toll tolo tolt tooh tool toor toot torc tore toro torr tort totc tote toth toto totr tott trcc trcl tre- trec tree treo tret troc troe troo trot trtc trte trtr ttbb tteo tter ttoe tttt