hauld ahuld huald uhald auhld uahld halud ahlud hlaud lhaud alhud lahud hulad uhlad hluad lhuad ulhad luhad aulhd ualhd aluhd lauhd ulahd luahd haudl ahudl huadl uhadl auhdl uahdl hadul ahdul hdaul dhaul adhul dahul hudal uhdal hdual dhual udhal duhal audhl uadhl aduhl dauhl udahl duahl haldu ahldu hladu lhadu alhdu lahdu hadlu ahdlu hdalu dhalu adhlu dahlu hldau lhdau hdlau dhlau ldhau dlhau aldhu ladhu adlhu dalhu ldahu dlahu hulda uhlda hluda lhuda ulhda luhda hudla uhdla hdula dhula udhla duhla hldua lhdua hdlua dhlua ldhua dlhua uldha ludha udlha dulha lduha dluha auldh ualdh aludh laudh uladh luadh audlh uadlh adulh daulh udalh dualh alduh laduh adluh daluh ldauh dlauh uldah ludah udlah dulah lduah dluah
Note: these 'words' (valid or invalid) are all the permutations of the word hauld. These words are obtained by scrambling the letters in hauld.