lhorn hlorn lohrn olhrn holrn ohlrn lhron hlron lrhon rlhon hrlon rhlon lorhn olrhn lrohn rlohn orlhn rolhn horln ohrln hroln rholn orhln rohln lhonr hlonr lohnr olhnr holnr ohlnr lhnor hlnor lnhor nlhor hnlor nhlor lonhr olnhr lnohr nlohr onlhr nolhr honlr ohnlr hnolr nholr onhlr nohlr lhrno hlrno lrhno rlhno hrlno rhlno lhnro hlnro lnhro nlhro hnlro nhlro lrnho rlnho lnrho nlrho rnlho nrlho hrnlo rhnlo hnrlo nhrlo rnhlo nrhlo lornh olrnh lronh rlonh orlnh rolnh lonrh olnrh lnorh nlorh onlrh nolrh lrnoh rlnoh lnroh nlroh rnloh nrloh ornlh ronlh onrlh norlh rnolh nrolh hornl ohrnl hronl rhonl orhnl rohnl honrl ohnrl hnorl nhorl onhrl nohrl hrnol rhnol hnrol nhrol rnhol nrhol ornhl ronhl onrhl norhl rnohl nrohl
Note: these 'words' (valid or invalid) are all the permutations of the word lhorn. These words are obtained by scrambling the letters in lhorn.