valis avlis vlais lvais alvis lavis vails avils vials ivals aivls iavls vlias lvias vilas ivlas livas ilvas alivs laivs ailvs ialvs liavs ilavs valsi avlsi vlasi lvasi alvsi lavsi vasli avsli vsali svali asvli savli vlsai lvsai vslai svlai lsvai slvai alsvi lasvi aslvi salvi lsavi slavi vaisl avisl viasl ivasl aivsl iavsl vasil avsil vsail svail asvil savil visal ivsal vsial svial isval sival aisvl iasvl asivl saivl isavl siavl vlisa lvisa vilsa ivlsa livsa ilvsa vlsia lvsia vslia svlia lsvia slvia visla ivsla vsila svila isvla sivla lisva ilsva lsiva sliva islva silva alisv laisv ailsv ialsv liasv ilasv alsiv lasiv asliv saliv lsaiv slaiv aislv iaslv asilv sailv isalv sialv lisav ilsav lsiav sliav islav silav
Note: these 'words' (valid or invalid) are all the permutations of the word valis. These words are obtained by scrambling the letters in valis.