whios hwios wihos iwhos hiwos ihwos whois hwois wohis owhis howis ohwis wiohs iwohs woihs owihs iowhs oiwhs hiows ihows hoiws ohiws iohws oihws whiso hwiso wihso iwhso hiwso ihwso whsio hwsio wshio swhio hswio shwio wisho iwsho wsiho swiho iswho siwho hiswo ihswo hsiwo shiwo ishwo sihwo whosi hwosi wohsi owhsi howsi ohwsi whsoi hwsoi wshoi swhoi hswoi shwoi woshi owshi wsohi swohi oswhi sowhi hoswi ohswi hsowi showi oshwi sohwi wiosh iwosh woish owish iowsh oiwsh wisoh iwsoh wsioh swioh iswoh siwoh wosih owsih wsoih swoih oswih sowih ioswh oiswh isowh siowh osiwh soiwh hiosw ihosw hoisw ohisw iohsw oihsw hisow ihsow hsiow shiow ishow sihow hosiw ohsiw hsoiw shoiw oshiw sohiw ioshw oishw isohw siohw osihw soihw
Note: these 'words' (valid or invalid) are all the permutations of the word whios. These words are obtained by scrambling the letters in whios.