-hou bbbb bbeb bbet bebb bebe bebo beeb beek beer beet behr beke beko beo- beok beor beot bere berk bero berr bert beru bete beth beto bett betu beuk beur bher bhet bhor bhot bhrt bhur bhut bhuu bobb bobe bobo bobu boee boeo boer boet boho bohr boht bohu boke boko boku boob booe booh book boor boot bor- bore borh bork boro borr bort boru botb bote both boto bott boue bouh bouk bour bout breb bree brek breo brer bret brkb brob broe broh brok broo bror brot brou brrr brue bruh brut btek btob btor btrt bttb bubb bube bubo bubu buer bueu buhe buho buhr buke bukh bukk buko buku bur- burb bure burh burk buro burr burt buru but- bute buto butt ebbo ebbr eber eboe eboo ebor ebro ebru ebur eeee eeke eero eete eeth eetu eheh eher eheu ehre ehte ekeb ekek eker eket ekho ekur eore eoto erbb erbe ereb erer eret erhu erke erob eroe eroo erre erro erth ertu erub eruh erur etbr etee eter eth- ethe etho etoe etoh etok etre etro ette etto ettu euer eur- eure euro eurt euth hbtu hebb hebe hebo hebr heeb heek heer heet hehe heho heke hekt heku heor heou herb here herk hero herr hert heru hete heth heto hett hetu heue heuk heur hhhh hkbu hket hobe hobo hoek hoer hohe hoho hoke hoko hoku hooe hook hoor hoot hore hork horo horr hort hotb hote hoth hoto hotr hott hotu houe houk hour hout hree hrob hrtb hrte htet htoh htrk httr hubb hube hubo huer huet huhu huke huor huot hure hurk huro hurr hurt huru hute huth huto hutt hutu huub kbbb kbbe kbbk kbbo kbbr kbbt kbbu kbeb kbee kbeh kbek kbeo kber kbet kbhb kbhe kbhh kbhr kbht kbkb kbkk kbko kbkr kbob kboe kbok kboo kbot kbrb kbre kbrh kbrk kbro kbrt kbru kbtb kbte kbtk kbto kbtr kbtt kbub kbue kbuk kbur kbut kbuu kebb kebe kebr kebt kebu keeh keek keer keet kehk kehr kekb keke keko keku keok ker- kerb kere kerk kero kerr kert keru ket- kete keth ketk keto ketr kett ketu keur khbr khbt kheb kher khet khhk khho khke khkk khkr khob khoe khok khor khot khou khrk khro khrr khrt khtb khte khth khtk khto khtr khtt khub khuk khur khut kkbb kkbe kkbo kkbr kkbt kkhb kkhh kkhk kkhr kkkk kkob kkoh kkoo kkor kkot kkrb kkre kkrh kkrk kkro kkrr kkrt kktk kktu kkut kkuu kobb kobe kobk kobo kobr kobu kohh koho kohr koht kohu kokb koke kokh kokk koko kokr koku koob kook kooo koor koot koou korb kore kork koro korr kort koru kotb kote koth kotk koto kotr kott kotu koub koue kour kout kouu krbb krbe krbk krbr krbt kreb kree kreh krek kreo kret kreu krke krkh krkk krko krkr krku krob kroe kroh krok kroo kror krrb krre krrk krro krrr krrt krth krtk krto krtr krue kruh kruk krur ktbb ktbr ktbt ktbu ktee kteh ktek kthe kthh kthk ktho kthr ktht kthu ktkb ktke ktkk ktko ktkr ktkt ktku ktob ktoe ktoh ktok ktoo ktor ktot ktrb ktre ktrh ktrk ktro ktrr ktrt ktru ktth kttk ktto kttr kttt kttu ktub ktuh kubb kube kubo kubr kubu kuek kueu kuht kuhu kuke kukh kukk kuku kuok kuoo kurb kure kurk kuro kurr kurt kuru kute kuth kuto kutr kutt kutu kuub kuuk kuur kuuu o-eo obbo ober obet obkb oboe obok obor obot obre obrh obro obuh oere ohbe ohee oher ohho ohob ohoh ohok ohre ohte ohto ohtu okeh oker oket okko okok okor okot okre okro okto okur oobe ooer ooho ooku oooh oooo oore oort ootb orbb orbe orbo orbu ore- oreb oreh orek oreo orer orhe orke orko oro- oroe orok oror orot orro orte orth orto orub otee oter othe otho othr oto- otoe otoh otok otoo otor otre otro otte otto ottu otur ouer our- oure ouro ourt out- outb oute outh outo ouu- rbbb rbbr rboh rebb rebe rebk rebo rebu reeb reek reet rehb rehe reht reke reko rekt reot reou rere rero rert reru rete reth reto retr rett reue reuk reut reuu rheb rhee rheo rhet rhob rhoh rhue rob- robb robe robo robt robu roer roet rohe rohr rohu roke rokh rokk roko rokr roku roob rook roor root rore rork roro rort roru rote roth rotk roto rotr rott roub roue rouh rouk rout rrrr rtee rthk rubb rube rubu ruer ruet ruhe ruhh ruhr ruke rukh rukk ruku ruok rure ruro ruru rute ruth ruto rutt rutu tbrb tebo tebu teek teer teet teho tehr teke tekh teoh teok teor ter- tere terk tero terr teru tete teth teto tetr tett tetu teuk teut the- theb thee thek theo ther thet theu thoe thoo thor thot thou thre thro thru thtb thtr thue thuk thur tobe tobo tobt tobu toee toeh toek toer toet toho tohu toke toko toku tooh took toor toot tore tork toro torr tort toru tote toth toto totr tott touh touk tour tout tre- tree trek treo tret treu troe troo trot trou trte trtr trub true truk trut truu ttbb tteo tter ttoe tttt tubb tube tubo tubr tubu tuer tuet tuht tuhu tuke tuko tuor turb ture turk turo turr turt turu tute tuto tutt tutu tuuo ubbe ubbo ubek uber ubet uher uhoh uhok uhuh ukek ukeu ukko ukok ukur uoke uor- uore urbe ure- ureh uret urho urke uro- urok uroo urre urrh urte urth uruk urur urut uter uthe utor utto uttu uuuu