harns ahrns hrans rhans arhns rahns hanrs ahnrs hnars nhars anhrs nahrs hrnas rhnas hnras nhras rnhas nrhas arnhs ranhs anrhs narhs rnahs nrahs harsn ahrsn hrasn rhasn arhsn rahsn hasrn ahsrn hsarn sharn ashrn sahrn hrsan rhsan hsran shran rshan srhan arshn rashn asrhn sarhn rsahn srahn hansr ahnsr hnasr nhasr anhsr nahsr hasnr ahsnr hsanr shanr ashnr sahnr hnsar nhsar hsnar shnar nshar snhar anshr nashr asnhr sanhr nsahr snahr hrnsa rhnsa hnrsa nhrsa rnhsa nrhsa hrsna rhsna hsrna shrna rshna srhna hnsra nhsra hsnra shnra nshra snhra rnsha nrsha rsnha srnha nsrha snrha arnsh ransh anrsh narsh rnash nrash arsnh rasnh asrnh sarnh rsanh sranh ansrh nasrh asnrh sanrh nsarh snarh rnsah nrsah rsnah srnah nsrah snrah
Note: these 'words' (valid or invalid) are all the permutations of the word harns. These words are obtained by scrambling the letters in harns.