presa rpesa persa eprsa repsa erpsa prsea rpsea psrea sprea rspea srpea pesra epsra psera spera espra sepra respa erspa rsepa srepa esrpa serpa preas rpeas peras epras repas erpas praes rpaes pares apres rapes arpes pears epars paers apers eaprs aeprs reaps eraps raeps areps earps aerps prsae rpsae psrae sprae rspae srpae prase rpase parse aprse rapse arpse psare spare pasre apsre sapre aspre rsape srape raspe arspe sarpe asrpe pesar epsar psear spear espar separ peasr epasr paesr apesr eapsr aepsr psaer spaer paser apser saper asper esapr seapr easpr aespr saepr asepr resap ersap rseap sreap esrap serap reasp erasp raesp aresp earsp aersp rsaep sraep rasep arsep sarep asrep esarp searp easrp aesrp saerp aserp
Note: these 'words' (valid or invalid) are all the permutations of the word presa. These words are obtained by scrambling the letters in presa.