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