-hou dddd dfrf dhod dhor dhrn dhun dhur dod- dodd dodg dodo doff dog- dogg dogh dogo dogu dohr dond dong donn dono donr dood doof doon door dord dorf dorn doro dorr doru doud douf doug doun dour drnh drno drod drof drog droh dron drou drug druu dudd dudo dudu duff dufu dugu duhr duhu dung dunn duno duo- duon durg durn duro duru duur ffff ffrr ffun fndd fndg fndn fndr fnuf fofo fogg fogh fogn fogo fohn fohr fond fong fono food foof foon for- ford forg forn foro forr foud foug foun four frog froh fron frou frug frun fudd fuff fufu fugh fugo fugu fund funf fung funh fuor fur- furg furn furo furr gdfr gdnf gdor gfor ggfg gggg gghg ggrn ghon ghrf ghug gnod gnof gnoo gnrr godo goff gofr gofu gogh gogo gon- gond gong gonn gono gonu good goof goog goon goor gord gorf gorg gorn goro gorr gou- goud gouf goug goun gour grod grof grog groh gron groo gror grou grrr gruf grug grun grur gudo gudu guff gugg gugh gugu guhr gund gung gunn gurd gurg gurh gurn guro gurr guru hdgf hdod hhgg hhhh hhof hndd hodh hodr hoff hofu hogg hogh hogo hogu hohn hoho hond hong hono honu hood hoof hoon hoor hord horg horn horo horr houd houf hour hrdn hrng hrod hron hrud hrun hudd hudo hudu huff hufu hugg hugh hugo huhn huhu hund hung hunh huon huor hurd hurn huro hurr huru nddo ndhf ndor ndrf nfff nfon ngon ngor ngou ngur nguu nhnn nhon nngn nnnn nodo nodu nogg nogh nogo nohn noho non- nong nonn nono nonu noo- noon nooo noor nor- nord norf norg norn noro norr nouh noun nour nron nrrd nudd nudo nuff nung nunn nuno nuon nurd nurn nurr nuru oddd odoh odon odoo odor odou odur ofdr off- offh offo offr offu ofgo ofno ofor ogdh ogfr ogod ogog ogon ogou ogro ogun ohgr ohho ohno ohoh ohrn ondo ongo ongu onno onod onon onor onur ooff ooho oooh oooo oord ordn ordo ordu orff orfu orgn orgo orno oro- orof oron oror orro oudh ouff ough oun- ound oung our- ourn ouro ouu- rhod rhog rhoh rhon rhug rhun rndf rnod rodd rodo roff rofo rogg rogh rogo rohn rohr rohu rond rong rono rood roof roog roon roor roro roru roud rouf rouh roun rrrr rrun rudd rudo ruff rufo rugg rugh ruhh ruhn ruhr rund runf rung runn runo rurd ruro ruru ruud ruun udoh udon udoo udun uggo ugod ugro ugur uguu uh-d uhno uhoh uhuh undo unfd ungo ungu unno unon unrf unro uofg uofo uor- urdu urff urgh urgu urho uro- uroo urrh urun urur uuno uuuu