sengs esngs snegs nsegs ensgs nesgs segns esgns sgens gsens egsns gesns snges nsges sgnes gsnes ngses gnses engss negss egnss genss ngess gness sensg esnsg snesg nsesg enssg nessg sesng essng sseng sseng essng sesng snseg nsseg ssneg ssneg nsseg snseg enssg nessg esnsg sensg nsesg snesg segsn esgsn sgesn gsesn egssn gessn sesgn essgn ssegn ssegn essgn sesgn sgsen gssen ssgen ssgen gssen sgsen egssn gessn esgsn segsn gsesn sgesn sngse nsgse sgnse gsnse ngsse gnsse snsge nssge ssnge ssnge nssge snsge sgsne gssne ssgne ssgne gssne sgsne ngsse gnsse nsgse sngse gsnse sgnse engss negss egnss genss ngess gness ensgs nesgs esngs sengs nsegs snegs egsns gesns esgns segns gsens sgens ngses gnses nsges snges gsnes sgnes
Note: these 'words' (valid or invalid) are all the permutations of the word sengs. These words are obtained by scrambling the letters in sengs.