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