airei iarei ariei raiei iraei riaei aieri iaeri aeiri eairi ieari eiari areii raeii aerii earii reaii eraii ireai rieai ierai eirai reiai eriai airie iarie ariie raiie iraie riaie aiire iaire aiire iaire iiare iiare ariie raiie airie iarie riaie iraie iriae riiae iirae iirae riiae iriae aieir iaeir aeiir eaiir ieair eiair aiier iaier aiier iaier iiaer iiaer aeiir eaiir aieir iaeir eiair ieair ieiar eiiar iiear iiear eiiar ieiar areii raeii aerii earii reaii eraii ariei raiei airei iarei riaei iraei aeiri eairi aieri iaeri eiari ieari reiai eriai rieai ireai eirai ierai ireia rieia ieria eiria reiia eriia iriea riiea iirea iirea riiea iriea ieira eiira iiera iiera eiira ieira reiia eriia rieia ireia eiria ieria
Note: these 'words' (valid or invalid) are all the permutations of the word airei. These words are obtained by scrambling the letters in airei.