rorwa orrwa rrowa rrowa orrwa rorwa rowra orwra rwora wrora owrra worra rrwoa rrwoa rwroa wrroa rwroa wrroa orwra rowra owrra worra rwora wrora roraw orraw rroaw rroaw orraw roraw roarw orarw raorw arorw oarrw aorrw rraow rraow rarow arrow rarow arrow orarw roarw oarrw aorrw raorw arorw rowar orwar rwoar wroar owrar worar roawr orawr raowr arowr oarwr aorwr rwaor wraor rawor arwor waror awror owarr woarr oawrr aowrr waorr aworr rrwao rrwao rwrao wrrao rwrao wrrao rrawo rrawo rarwo arrwo rarwo arrwo rwaro wraro rawro arwro warro awrro rwaro wraro rawro arwro warro awrro orwar rowar owrar worar rwoar wroar orawr roawr oarwr aorwr raowr arowr owarr woarr oawrr aowrr waorr aworr rwaor wraor rawor arwor waror awror
Note: these 'words' (valid or invalid) are all the permutations of the word rorwa. These words are obtained by scrambling the letters in rorwa.