-hou dddd dhod dhor dhrn dhun dhur dod- dodd dodg dodo dog- dogg dogh dogo dogu dohr dond dong donn dono donr dood doon door dord dorn doro dorr doru doud doug doun dour drnh drno drod drog droh dron drou drug druu dudd dudo dudu dugu duhr duhu dung dunn duno duo- duon durg durn duro duru duur gdor gggg gghg ggrn ghon ghug gnod gnoo gnrr godo gogh gogo gon- gond gong gonn gono gonu good goog goon goor gord gorg gorn goro gorr gou- goud goug goun gour grod grog groh gron groo gror grou grrr grug grun grur gudo gudu gugg gugh gugu guhr gund gung gunn gurd gurg gurh gurn guro gurr guru hdod hhgg hhhh hndd hodh hodr hogg hogh hogo hogu hohn hoho hond hong hono honu hood hoon hoor hord horg horn horo horr houd hour hrdn hrng hrod hron hrud hrun hudd hudo hudu hugg hugh hugo huhn huhu hund hung hunh huon huor hurd hurn huro hurr huru nddo ndor 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 norg norn noro norr nouh noun nour nron nrrd nudd nudo nung nunn nuno nuon nurd nurn nurr nuru oddd odoh odon odoo odor odou odur ogdh ogod ogog ogon ogou ogro ogun ohgr ohho ohno ohoh ohrn ondo ongo ongu onno onod onon onor onur ooho oooh oooo oord ordn ordo ordu orgn orgo orno oro- oron oror orro oudh ough oun- ound oung our- ourn ouro ouu- rhod rhog rhoh rhon rhug rhun rnod rodd rodo rogg rogh rogo rohn rohr rohu rond rong rono rood roog roon roor roro roru roud rouh roun rrrr rrun rudd rudo rugg rugh ruhh ruhn ruhr rund rung runn runo rurd ruro ruru ruud ruun udoh udon udoo udun uggo ugod ugro ugur uguu uh-d uhno uhoh uhuh undo ungo ungu unno unon unro uor- urdu urgh urgu urho uro- uroo urrh urun urur uuno uuuu