polrn oplrn plorn lporn olprn loprn porln oprln proln rpoln orpln ropln plron lpron prlon rplon lrpon rlpon olrpn lorpn orlpn rolpn lropn rlopn polnr oplnr plonr lponr olpnr lopnr ponlr opnlr pnolr npolr onplr noplr plnor lpnor pnlor nplor lnpor nlpor olnpr lonpr onlpr nolpr lnopr nlopr pornl oprnl pronl rponl orpnl ropnl ponrl opnrl pnorl nporl onprl noprl prnol rpnol pnrol nprol rnpol nrpol ornpl ronpl onrpl norpl rnopl nropl plrno lprno prlno rplno lrpno rlpno plnro lpnro pnlro nplro lnpro nlpro prnlo rpnlo pnrlo nprlo rnplo nrplo lrnpo rlnpo lnrpo nlrpo rnlpo nrlpo olrnp lornp orlnp rolnp lronp rlonp olnrp lonrp onlrp nolrp lnorp nlorp ornlp ronlp onrlp norlp rnolp nrolp lrnop rlnop lnrop nlrop rnlop nrlop
Note: these 'words' (valid or invalid) are all the permutations of the word polrn. These words are obtained by scrambling the letters in polrn.