-hou bbbb bbbq bbeb bbet bebb bebe bebo beeb beet beo- beot bete beth beto bett betu bhet bhot bhut bhuu bobb bobe bobo bobu boee boeo boet boho boht bohu boob booe booh boot boqe botb bote both boto bott boue bouh bout bque btob bttb bubb bube bubo bubq bubu bueu buhe buho but- bute buto butt ebbo eboe eboo eeee eete eeth eetu eheh eheu ehte eoto equ- eque equo etee eth- ethe etho etoe etoh ette etto ettu euth hbtu hebb hebe hebo heeb heet hehe heho heou hete heth heto hett hetu heue hhhh hobe hobo hohe hoho hooe hooq hoot hotb hote hoth hoto hott hotu houe hout htet htoh hubb hube hubo huet huhu huot hute huth huto hutt hutu huub o-eo obbo obet oboe oboq obot obuh ohbe ohee ohho ohob ohoh ohte ohto ohtu oobe ooho oooh oooo ootb oque otee othe otho oto- otoe otoh otoo otte otto ottu out- outb oute outh outo outq ouu- q-be qebh qhub qobu qoob qqqq qube qubo quee quet quh- quho quob quot qutb qute quu- tebo tebu teet teho teoh tete teth teto tett tetu teut the- theb thee theo theq thet theu thoe thoo thot thou thtb thue tobe tobo tobt tobu toee toeh toet toho tohu tooh toot tote toth toto tott touh tout ttbb tteo ttoe tttt tubb tube tubo tubu tuet tuht tuhu tute tuto tutt tutu tuuo ubbe ubbo ubet uhoh uhuh uqhu uthe utto uttu utuq uuuu