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