woosh owosh woosh owosh oowsh oowsh wosoh owsoh wsooh swooh oswoh sowoh wosoh owsoh wsooh swooh oswoh sowoh ooswh ooswh osowh soowh osowh soowh woohs owohs woohs owohs oowhs oowhs wohos owhos whoos hwoos ohwos howos wohos owhos whoos hwoos ohwos howos oohws oohws ohows hoows ohows hoows wosho owsho wsoho swoho oswho sowho wohso owhso whoso hwoso ohwso howso wshoo swhoo whsoo hwsoo shwoo hswoo oshwo sohwo ohswo hoswo showo hsowo wosho owsho wsoho swoho oswho sowho wohso owhso whoso hwoso ohwso howso wshoo swhoo whsoo hwsoo shwoo hswoo oshwo sohwo ohswo hoswo showo hsowo ooshw ooshw osohw soohw osohw soohw oohsw oohsw ohosw hoosw ohosw hoosw oshow sohow ohsow hosow shoow hsoow oshow sohow ohsow hosow shoow hsoow
Note: these 'words' (valid or invalid) are all the permutations of the word woosh. These words are obtained by scrambling the letters in woosh.