alrus larus arlus ralus lraus rlaus alurs laurs aulrs ualrs luars ulars aruls rauls aurls uarls ruals urals lruas rluas luras ulras rulas urlas alrsu larsu arlsu ralsu lrasu rlasu alsru lasru aslru salru lsaru slaru arslu raslu asrlu sarlu rsalu sralu lrsau rlsau lsrau slrau rslau srlau alusr lausr aulsr ualsr luasr ulasr alsur lasur aslur salur lsaur slaur auslr uaslr asulr saulr usalr sualr lusar ulsar lsuar sluar uslar sular arusl rausl aursl uarsl ruasl urasl arsul rasul asrul sarul rsaul sraul ausrl uasrl asurl saurl usarl suarl rusal ursal rsual srual usral sural lrusa rlusa lursa ulrsa rulsa urlsa lrsua rlsua lsrua slrua rslua srlua lusra ulsra lsura slura uslra sulra rusla ursla rsula srula usrla surla
Note: these 'words' (valid or invalid) are all the permutations of the word alrus. These words are obtained by scrambling the letters in alrus.