-hou bbbb bbeb bbet bebb bebe bebo beeb beek beet beke beko beo- beok beot bete beth beto bett betu beuk bhet bhot bhut bhuu bobb bobe bobo bobu boee boeo boet boho boht bohu boke boko boku boob booe booh book boot botb bote both boto bott boue bouh bouk bout btek btob bttb bubb bube bubo bubu bueu buhe buho buke bukh bukk buko buku but- bute buto butt ebbo eboe eboo eeee eeke eete eeth eetu eheh eheu ehte ekeb ekek eket ekho eoto etee eth- ethe etho etoe etoh etok ette etto ettu euth hbtu hebb hebe hebo heeb heek heet hehe heho heke hekt heku heou hete heth heto hett hetu heue heuk hhhh hkbu hket hobe hobo hoek hohe hoho hoke hoko hoku hooe hook hoot hotb hote hoth hoto hott hotu houe houk hout htet htoh hubb hube hubo huet huhu huke huot hute huth huto hutt hutu huub kbbb kbbe kbbk kbbo kbbt kbbu kbeb kbee kbeh kbek kbeo kbet kbhb kbhe kbhh kbht kbkb kbkk kbko kbob kboe kbok kboo kbot kbtb kbte kbtk kbto kbtt kbub kbue kbuk kbut kbuu kebb kebe kebt kebu keeh keek keet kehk kekb keke keko keku keok ket- kete keth ketk keto kett ketu khbt kheb khet khhk khho khke khkk khob khoe khok khot khou khtb khte khth khtk khto khtt khub khuk khut kkbb kkbe kkbo kkbt kkhb kkhh kkhk kkkk kkob kkoh kkoo kkot kktk kktu kkut kkuu kobb kobe kobk kobo kobu kohh koho koht kohu kokb koke kokh kokk koko koku koob kook kooo koot koou kotb kote koth kotk koto kott kotu koub koue kout kouu ktbb ktbt ktbu ktee kteh ktek kthe kthh kthk ktho ktht kthu ktkb ktke ktkk ktko ktkt ktku ktob ktoe ktoh ktok ktoo ktot ktth kttk ktto kttt kttu ktub ktuh kubb kube kubo kubu kuek kueu kuht kuhu kuke kukh kukk kuku kuok kuoo kute kuth kuto kutt kutu kuub kuuk kuuu o-eo obbo obet obkb oboe obok obot obuh ohbe ohee ohho ohob ohoh ohok ohte ohto ohtu okeh oket okko okok okot okto oobe ooho ooku oooh oooo ootb otee othe otho oto- otoe otoh otok otoo otte otto ottu out- outb oute outh outo ouu- tebo tebu teek teet teho teke tekh teoh teok tete teth teto tett tetu teuk teut the- theb thee thek theo thet theu thoe thoo thot thou thtb thue thuk tobe tobo tobt tobu toee toeh toek toet toho tohu toke toko toku tooh took toot tote toth toto tott touh touk tout ttbb tteo ttoe tttt tubb tube tubo tubu tuet tuht tuhu tuke tuko tute tuto tutt tutu tuuo ubbe ubbo ubek ubet uhoh uhok uhuh ukek ukeu ukko ukok uoke uthe utto uttu uuuu