powre opwre pwore wpore owpre wopre porwe oprwe prowe rpowe orpwe ropwe pwroe wproe prwoe rpwoe wrpoe rwpoe owrpe worpe orwpe rowpe wrope rwope power opwer pwoer wpoer owper woper poewr opewr peowr epowr oepwr eopwr pweor wpeor pewor epwor wepor ewpor owepr woepr oewpr eowpr weopr ewopr porew oprew proew rpoew orpew ropew poerw operw peorw eporw oeprw eoprw preow rpeow perow eprow repow erpow orepw roepw oerpw eorpw reopw eropw pwreo wpreo prweo rpweo wrpeo rwpeo pwero wpero pewro epwro wepro ewpro prewo rpewo perwo eprwo repwo erpwo wrepo rwepo werpo ewrpo rewpo erwpo owrep worep orwep rowep wroep rwoep owerp woerp oewrp eowrp weorp eworp orewp roewp oerwp eorwp reowp erowp wreop rweop werop ewrop rewop erwop
Note: these 'words' (valid or invalid) are all the permutations of the word powre. These words are obtained by scrambling the letters in powre.