-hou gggg gghg ghug gogh gogo goog goor goot gorg goro gorr gort goth goto gott gou- goug gour gout grog groh groo gror grot grou grrr grug grur grut gugg gugh gugu guhr gurg gurh guro gurr gurt guru guth guto gutt gutu hhgg hhhh hogg hogh hogo hogu hoho hoor hoot horg horo horr hort hoth hoto hotr hott hotu hour hout htoh httr hugg hugh hugo huhu huor huot huro hurr hurt huru huth huto hutt hutu oght ogog ogou ogro ohgr ohho ohoh ohto ohtu ooho oooh oooo oort orgo oro- oror orot orro orth orto otho othr oto- otog otoh otoo otor otro otto ottu otur ough our- ouro ourt out- outh outo ouu- rgtr rhog rhoh rhug rogg rogh rogo rohr rohu roog roor root roro rort roru rotg roth roto rotr rott rouh rout rrrr rugg rugh ruhh ruhr ruro ruru ruth ruto rutt rutu thog thoo thor thot thou thro thru thtr thug thur togh togo togr togt toho tohu tooh toor toot torg toro torr tort toru toth toto totr tott toug touh tour tout trog troo trot trou trtr trug trut truu tttt tugg tugh tugu tuht tuhu tuor turg turo turr turt turu tuto tutt tutu tuuo uggo uggt ugro ugur uguu uhoh uhuh uor- urgh urgu urho uro- uroo urrh urth urur urut utor utto uttu utug uuuu