zgall gzall zagll azgll gazll agzll zglal gzlal zlgal lzgal glzal lgzal zalgl azlgl zlagl lzagl alzgl lazgl galzl aglzl glazl lgazl algzl lagzl zgall gzall zagll azgll gazll agzll zglal gzlal zlgal lzgal glzal lgzal zalgl azlgl zlagl lzagl alzgl lazgl galzl aglzl glazl lgazl algzl lagzl zglla gzlla zlgla lzgla glzla lgzla zglla gzlla zlgla lzgla glzla lgzla zllga lzlga zllga lzlga llzga llzga gllza lglza gllza lglza llgza llgza zallg azllg zlalg lzalg alzlg lazlg zallg azllg zlalg lzalg alzlg lazlg zllag lzlag zllag lzlag llzag llzag allzg lalzg allzg lalzg llazg llazg gallz agllz glalz lgalz alglz laglz gallz agllz glalz lgalz alglz laglz gllaz lglaz gllaz lglaz llgaz llgaz allgz lalgz allgz lalgz llagz llagz
Note: these 'words' (valid or invalid) are all the permutations of the word zgall. These words are obtained by scrambling the letters in zgall.