-hou bbbb bbch bbeb bbet bbrc bcbc bccc bcec bcer bcet bche bcor bcru bctc bcuc bebb bebe bebo bech becu beeb beer beet behr beo- beor beot berc bere bero berr bert beru betc bete beth beto bett betu beur bhcc bher bhet bhor bhot bhrt bhur bhut bhuu bobb bobe bobo bobu boce boch boco bocu boec boee boeo boer boet boho bohr boht bohu boob booc booe booh boor boot bor- bore borh boro borr bort boru botb bote both boto bott boue bouh bour bout brcb brce breb brec bree breo brer bret brob broc broe broh broo bror brot brou brrr brtc bruc brue bruh brut btcc btec btob btor btrc btrt bttb bubb bube bubo bubu bucc buce buch buco bucu buer bueu buhe buho buhr bur- burb bure burh buro burr burt buru but- bute buto butt c-bo cbbc cbcc cbce cbcr cbct cbcu cbec cbee cber cbet cbot cbre cbrh cbrt cbtc ccbc cccb cccc cccu ccee cche cchr ccob ccoc ccrc ccre ccrt cctb cctc cctt ccuc ccut cebu cec- cece ceco cect ceeb ceec ceor ceou cer- cerc cere cero cert cet- cete ceto chce chch cheb chec chee cheh cher chet cheu choc choh choo chor chou chrb chrc chro chrr chrt chto chtr chtt chub chur chut cobb cobe cobh cobo cobu coce coch coco coct cocu coho coob cooh coot cor- corb corc core coro corr cort cotb cotc cote coth coto cott cotu coub coue cour cout crbc crbu crcc crce crcr cre- creb crec cree creh creo cret creu crob croc croe croh croo cror crot crrt crtc crub crue crut ctec ctor ctot ctrc cub- cubb cube cucc cuce cuer curb cure curo curr curt cut- cutc cute cuth cuto cutt ebbc ebbo ebbr ebcc eber eboe eboo ebor ebro ebru ebur ecbc ecbe eccb eccc ecce ecco ecct eche echo echt eco- ecot ecou ecrc ecrr ecru ect- ectc ecth ecto eeee eeoc eerc eero eetc eete eeth eetu ehcc eheh eher eheu ehre ehte eore eotc eoto erbb erbe ercc erce erch ereb erec erer eret erhc erhu erob eroc eroe eroo errc erre erro erth ertu erub eruc eruh erur etbc etbr etcc etch etco etec etee eter eth- ethe etho etoe etoh etre etro ette etto ettu eubc euch euer eur- eurc eure euro eurt euth hboc hbtu hcbc hccb hccc hcch hebb hebe hebo hebr hech hect heeb heer heet hehe heho heor heou herb herc here hero herr hert heru hete heth heto hett hetu heue heur hhhh hobe hobo hoce hoch hocr hoer hohe hoho hooe hoor hoot horc hore horo horr hort hotb hote hoth hoto hotr hott hotu houe hour hout hree hrob hrrc hrtb hrte htcc htet htoh httr hubb hube hubo huch hucu huer huet huhu huor huot hure huro hurr hurt huru hute huth huto hutt hutu huub o-eo obbo obec ober obet oboe obor obot obre obrh obro obuh ocbc occc occt oce ocee ocet oche ocht ocre ocro ocrr oct- octe octo ocur oec- oecc oeec oere ohbe ohcc ohee oher ohho ohob ohoh ohre ohte ohto ohtu oobe oocr ooer ooho oooh oooo oore oort ootb orbb orbe orbo orbu orce orch orco ore- oreb orec oreh oreo orer orhe oro- oroe oror orot orro ortc orte orth orto orub otee oter othe otho othr oto- otoe otoh otoo otor otre otro otte otto ottu otur oucc ouch ouer our- oure ouro ourt out- outb oute outh outo ouu- rbbb rbbr rboh rcbc rcbo rccb rccc rcet rchb rctc rebb rebe rebo rebu recc rece rech recr rect recu reeb reet rehb rehe reht reot reou rere rero rert reru rete reth reto retr rett reue reut reuu rhce rheb rhee rheo rhet rhob rhoc rhoh rhue rob- robb robe robo robt robu rocc roce roch roco roer roet rohe rohr rohu roob roor root rorc rore roro rort roru rotc rote roth roto rotr rott roub roue rouh rout rrrr rtcc rtce rtee rubb rube rubu ruce ruch ruct ruer ruet ruhe ruhh ruhr rurc rure ruro ruru rute ruth ruto rutt rutu tbcb tbcc tbce tbrb tccc tccu tch- tche tchh tcho tchr tchu tctc tebo tebu tech teco tecr tect teec teer teet teho tehr teoh teor ter- terc tere tero terr teru tete teth teto tetr tett tetu teut thch the- theb thec thee theo ther thet theu thoe thoo thor thot thou thre thro thru thtb thtr thue thur tobe tobo tobt tobu toce toch toco toee toeh toer toet toho tohu tooh toor toot torc tore toro torr tort toru totc tote toth toto totr tott touh tour tout trcc tre- trec tree treo tret treu troc troe troo trot trou trtc trte trtr trub truc true trut truu ttbb tteo tter ttoe tttt tubb tube tubo tubr tubu tucc tuch tuco tuer tuet tuht tuhu tuor turb turc ture turo turr turt turu tute tuto tutt tutu tuuo ubbe ubbo uber ubet uboc ucbc uche ucho ucrc ucut uher uhoh uhuh uocc uor- uore urbe urch ure- ureh uret urho uro- uroo urre urrh urte urth urur urut utec uter uthe utor utto uttu uuoc uuuu