rawns arwns rwans wrans awrns warns ranws arnws rnaws nraws anrws narws rwnas wrnas rnwas nrwas wnras nwras awnrs wanrs anwrs nawrs wnars nwars rawsn arwsn rwasn wrasn awrsn warsn raswn arswn rsawn srawn asrwn sarwn rwsan wrsan rswan srwan wsran swran awsrn wasrn aswrn sawrn wsarn swarn ransw arnsw rnasw nrasw anrsw narsw rasnw arsnw rsanw sranw asrnw sarnw rnsaw nrsaw rsnaw srnaw nsraw snraw ansrw nasrw asnrw sanrw nsarw snarw rwnsa wrnsa rnwsa nrwsa wnrsa nwrsa rwsna wrsna rswna srwna wsrna swrna rnswa nrswa rsnwa srnwa nsrwa snrwa wnsra nwsra wsnra swnra nswra snwra awnsr wansr anwsr nawsr wnasr nwasr awsnr wasnr aswnr sawnr wsanr swanr answr naswr asnwr sanwr nsawr snawr wnsar nwsar wsnar swnar nswar snwar
Note: these 'words' (valid or invalid) are all the permutations of the word rawns. These words are obtained by scrambling the letters in rawns.