wishd iwshd wsihd swihd iswhd siwhd wihsd iwhsd whisd hwisd ihwsd hiwsd wshid swhid whsid hwsid shwid hswid ishwd sihwd ihswd hiswd shiwd hsiwd wisdh iwsdh wsidh swidh iswdh siwdh widsh iwdsh wdish dwish idwsh diwsh wsdih swdih wdsih dwsih sdwih dswih isdwh sidwh idswh diswh sdiwh dsiwh wihds iwhds whids hwids ihwds hiwds widhs iwdhs wdihs dwihs idwhs diwhs whdis hwdis wdhis dwhis hdwis dhwis ihdws hidws idhws dihws hdiws dhiws wshdi swhdi whsdi hwsdi shwdi hswdi wsdhi swdhi wdshi dwshi sdwhi dswhi whdsi hwdsi wdhsi dwhsi hdwsi dhwsi shdwi hsdwi sdhwi dshwi hdswi dhswi ishdw sihdw ihsdw hisdw shidw hsidw isdhw sidhw idshw dishw sdihw dsihw ihdsw hidsw idhsw dihsw hdisw dhisw shdiw hsdiw sdhiw dshiw hdsiw dhsiw
Note: these 'words' (valid or invalid) are all the permutations of the word wishd. These words are obtained by scrambling the letters in wishd.