-hou dddd ddot dhod dhor dhrn dhun dhur dntt dnut dod- dodd dodo dohr dond donn dono donr dont dood doon door doot dord dorn doro dorr dort doru dotd doth doto dott doud doun dour dout drnh drno drod droh dron drot drou drut druu dthd dtor dtot dudd dudo dudu duhr duhu dunn duno dunt duo- duon durn duro durt duru duur duut hdod hdtt hhhh hndd hntr hodh hodr hohn hoho hond hono hont honu hood hoon hoor hoot hord horn horo horr hort hotd hoth hoto hotr hott hotu houd hour hout hrdn hrod hron hrud hrun htoh httr hudd hudo hudu huhn huhu hund hunh hunt huon huor huot hurd hurn huro hurr hurt huru huth huto hutt hutu nddo ndnt ndor ndut nhnn nhon nnnn nnot nntn nodo nodu nohn noho noht non- nonn nono nont nonu noo- noon nooo noor noot nor- nord norn noro norr nort not- noth noto nott nouh noun nour nout nron nrrd nthn ntht ntnd ntnu ntru ntto nttr nudd nudo nunn nuno nunt nuon nurd nurn nurr nurt nuru nuth nutt nutu oddd odoh odon odoo odor odot odou odtu odur ohho ohno ohoh ohrn ohto ohtu ondo onno onod onon onor ont- onto onur onut ooho oont oooh oooo oord oort ordn ordo ordu orno oro- oron oror orot orro orth orto otho othr oto- otoh oton otoo otor otro otto ottu otur oudh oun- ound our- ourn ouro ourt out- outh outo ouu- rhod rhoh rhon rhun rnnt rnod rnot rntd rnut rodd rodo rohn rohr rohu rond rono ront rood roon roor root roro rort roru roth rotn roto rotr rott roud rouh roun rout rrrr rrun rtdt rtnd rudd rudo ruhh ruhn ruhr rund runn runo runt rurd ruro ruru ruth ruto rutt rutu ruud ruun tdor thdr thnt thon thoo thor thot thou thro thru thtr thud thun thur tndd tnut todd todo todt todu toho tohu tonh tonn tono tonu tood tooh toon toor toot tord torn toro torr tort toru totd toth toto totr tott touh toun tour tout trno trod tron troo trot trou trtr trud trun trut truu tton tttt tudu tuht tuhu tund tunn tuno tunu tuor turd turn turo turr turt turu tuto tutt tutu tuuo udoh udon udoo udot udun uh-d uhno uhoh uhuh undo unno unon unro unth unto unut uor- urdu urho uro- uroo urrh urth urun urur urut utor utto uttu uuno uuuu