urari ruari uarri aurri rauri aruri urrai rurai urrai rurai rruai rruai uarri aurri urari ruari aruri rauri rarui arrui rraui rraui arrui rarui urair ruair uarir aurir rauir aruir uriar ruiar uirar iurar riuar iruar uairr auirr uiarr iuarr aiurr iaurr raiur ariur riaur iraur airur iarur urria ruria urria ruria rruia rruia urira ruira uirra iurra riura irura urira ruira uirra iurra riura irura rriua rriua rirua irrua rirua irrua uarir aurir urair ruair aruir rauir uairr auirr uiarr iuarr aiurr iaurr uriar ruiar uirar iurar riuar iruar ariur raiur airur iarur riaur iraur rariu arriu rraiu rraiu arriu rariu rairu ariru riaru iraru airru iarru rriau rriau rirau irrau rirau irrau ariru rairu airru iarru riaru iraru
Note: these 'words' (valid or invalid) are all the permutations of the word urari. These words are obtained by scrambling the letters in urari.