rangi arngi rnagi nragi anrgi nargi ragni argni rgani grani agrni garni rngai nrgai rgnai grnai ngrai gnrai angri nagri agnri ganri ngari gnari ranig arnig rnaig nraig anrig narig raing aring riang irang airng iarng rniag nriag rinag irnag nirag inrag anirg nairg ainrg ianrg niarg inarg ragin argin rgain grain agrin garin raign arign riagn iragn airgn iargn rgian grian rigan irgan giran igran agirn gairn aigrn iagrn giarn igarn rngia nrgia rgnia grnia ngria gnria rniga nriga ringa irnga nirga inrga rgina grina rigna irgna girna igrna ngira gnira nigra ingra ginra ignra angir nagir agnir ganir ngair gnair anigr naigr aingr iangr niagr inagr aginr gainr aignr iagnr gianr iganr ngiar gniar nigar ingar ginar ignar
Note: these 'words' (valid or invalid) are all the permutations of the word rangi. These words are obtained by scrambling the letters in rangi.