-hou dddd ddre dedd dede dedo dedu deed deef deeg deer defe deff defg defo dege degh dego degu dehu deor der- dere derf derg dero derr deue deur dfer dfoe dfrf dgeg dgge dghe dhed dhee dher dhod dhor dhur dod- dodd dode dodg dodo doeg doer doff dog- doge dogg dogh dogo dogu dohr dood doof door dord dore dorf doro dorr doru doud doue douf doug dour dred dree dref dreg dreh drge drod drof drog droh drou drue drug druu dudd dude dudo dudu duer duff dufu dugu duhe duhr duhu duo- dure durg duro duru duur edde eddo ede- edeh eder edfu edge edod edou edru edur eede eedu eeee eefe eerg eero ef-g efeo efgh efor egee eger egfh egfr egge eggh eggo eghd eghe eghh ego- egor egre ehdd eheh eher eheu ehre ehud eode eore erde erdf ered erer erg- ergg ergh ergo erhu erod eroe eroo erre erro eruh erur eude euer euge eugh eur- eure euro fede feed feer fefe feff fefo fege fegg fehd fehr fehu feod feof feoh ferd fere fero ferr feru feud ffee ffff ffrr fode foed foer fofo foge fogg fogh fogo fohr food foof for- ford fore forg foro forr foud foug four fred free freo froe frog froh frou frue frug fudd fude fuff fufu fuge fugh fugo fugu fuor fur- fure furg furo furr gdfr gdor gedd gede gedo gedu geed geer gefe gege gegg gego gehu geo- geof geog gerd gere gero geru geue gfer gfor ggfg gggg gghg ghee gheg ghrf ghug gode godo goed goef goer gofe goff gofr gofu gogh gogo good goof goog goor gord gore gorf gorg goro gorr gou- goud gouf goug gour gree gref greg greu grod grof grog groh groo gror grou grrr grue gruf grug grur gude gudo gudu guer guff guge gugg gugh gugu guhe guhr gurd gure gurg gurh guro gurr guru hdgf hdod hedd hede hedg hedo heed heef heeg heer hefd hefe hege hegg hegh hego hehe heho heor heou herd here herg hero herr heru heue heug heur hhgg hhhh hhof hode hodh hodr hoed hoer hofe hoff hofu hoge hogg hogh hogo hogu hohe hoho hood hooe hoof hoor hord hore horg horo horr houd houe houf hour hree hrod hrud hudd hude hudo hudu hued huer hufe huff hufu huge hugg hugh hugo huhu huor hurd hure huro hurr huru o-eo oddd oded odeo oder odoh odoo odor odou odur oedo oere oeuf ofdr ofer off- offe offh offo offr offu ofgo ofor ofre ogdh ogee oger ogfr ogge ogod ogog ogou ogre ogro ohed ohee oher ohgr ohho ohoh ohre ooer ooff ooho oooh oooo oord oore orde ordo ordu ore- ored oreg oreh oreo orer orfe orff orfu orge orgo orhe oro- oroe orof oror orro oude oudh oued ouer oufe ouff ouge ough our- oure ouro ouu- rder redd rede redh redo redr redu reed reef refd refe reff refg refr refu regd rege rego regr regu rehe reod reof reog reou rerd rere rerg rero reru reue reuf reuu rfef rhee rheo rhod rhog rhoh rhue rhug rodd rode rodo roed roeg roer rofe roff rofo roge rogg rogh rogo rohe rohr rohu rood roof roog roor rore roro roru roud roue rouf rouh rred rrrr rudd rude rudo rued ruer rufe ruff rufo ruge rugg rugh ruhe ruhh ruhr rurd rure ruro ruru ruud uder udge udoh udoo ufer uffe ugeo uggo ughe ugod ugro ugur uguu uh-d uhde uher uhoh uhuh uofg uofo uor- uore urde urdu ure- ured ureh urfe urff urge urgh urgu urho uro- uroo urre urrh urur uuuu