preve rpeve perve eprve repve erpve prvee rpvee pvree vpree rvpee vrpee pevre epvre pvere vpere evpre vepre revpe ervpe rvepe vrepe evrpe verpe preev rpeev perev eprev repev erpev preev rpeev perev eprev repev erpev peerv eperv peerv eperv eeprv eeprv reepv erepv reepv erepv eerpv eerpv prvee rpvee pvree vpree rvpee vrpee preve rpeve perve eprve repve erpve pvere vpere pevre epvre vepre evpre rvepe vrepe revpe ervpe verpe evrpe pever epver pveer vpeer evper veper peevr epevr peevr epevr eepvr eepvr pveer vpeer pever epver veper evper evepr veepr eevpr eevpr veepr evepr revep ervep rveep vreep evrep verep reevp erevp reevp erevp eervp eervp rveep vreep revep ervep verep evrep everp veerp eevrp eevrp veerp everp
Note: these 'words' (valid or invalid) are all the permutations of the word preve. These words are obtained by scrambling the letters in preve.