trugo rtugo turgo utrgo rutgo urtgo trguo rtguo tgruo gtruo rgtuo grtuo tugro utgro tguro gturo ugtro gutro rugto urgto rguto gruto ugrto gurto truog rtuog turog utrog rutog urtog troug rtoug torug otrug rotug ortug tuorg utorg tourg oturg uotrg outrg ruotg urotg routg orutg uortg ourtg trgou rtgou tgrou gtrou rgtou grtou trogu rtogu torgu otrgu rotgu ortgu tgoru gtoru togru otgru gotru ogtru rgotu grotu rogtu orgtu gortu ogrtu tugor utgor tguor gtuor ugtor gutor tuogr utogr tougr otugr uotgr outgr tgour gtour togur otgur gotur ogtur ugotr guotr uogtr ougtr goutr ogutr rugot urgot rguot gruot ugrot gurot ruogt urogt rougt orugt uorgt ourgt rgout grout rogut orgut gorut ogrut ugort guort uogrt ougrt gourt ogurt
Note: these 'words' (valid or invalid) are all the permutations of the word trugo. These words are obtained by scrambling the letters in trugo.