sdail dsail sadil asdil dasil adsil sdial dsial sidal isdal disal idsal saidl asidl siadl isadl aisdl iasdl daisl adisl diasl idasl aidsl iadsl sdali dsali sadli asdli dasli adsli sdlai dslai sldai lsdai dlsai ldsai saldi asldi sladi lsadi alsdi lasdi dalsi adlsi dlasi ldasi aldsi ladsi sdila dsila sidla isdla disla idsla sdlia dslia sldia lsdia dlsia ldsia silda islda slida lsida ilsda lisda dilsa idlsa dlisa ldisa ildsa lidsa saild asild siald isald aisld iasld salid aslid slaid lsaid alsid lasid silad islad sliad lsiad ilsad lisad ailsd ialsd alisd laisd ilasd liasd dails adils dials idals aidls iadls dalis adlis dlais ldais aldis ladis dilas idlas dlias ldias ildas lidas ailds ialds alids laids ilads liads
Note: these 'words' (valid or invalid) are all the permutations of the word sdail. These words are obtained by scrambling the letters in sdail.