driie rdiie dirie idrie ridie irdie driie rdiie dirie idrie ridie irdie diire idire diire idire iidre iidre riide iride riide iride iirde iirde driei rdiei direi idrei ridei irdei dreii rdeii derii edrii redii erdii dieri ideri deiri ediri iedri eidri riedi iredi reidi eridi ierdi eirdi driei rdiei direi idrei ridei irdei dreii rdeii derii edrii redii erdii dieri ideri deiri ediri iedri eidri riedi iredi reidi eridi ierdi eirdi diier idier diier idier iider iider dieir ideir deiir ediir iedir eidir dieir ideir deiir ediir iedir eidir iiedr iiedr ieidr eiidr ieidr eiidr riied iried riied iried iired iired rieid ireid reiid eriid ierid eirid rieid ireid reiid eriid ierid eirid iierd iierd ieird eiird ieird eiird
Note: these 'words' (valid or invalid) are all the permutations of the word driie. These words are obtained by scrambling the letters in driie.