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