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