pyoid ypoid poyid opyid yopid oypid pyiod ypiod piyod ipyod yipod iypod poiyd opiyd pioyd ipoyd oipyd iopyd yoipd oyipd yiopd iyopd oiypd ioypd pyodi ypodi poydi opydi yopdi oypdi pydoi ypdoi pdyoi dpyoi ydpoi dypoi podyi opdyi pdoyi dpoyi odpyi dopyi yodpi oydpi ydopi dyopi odypi doypi pyido ypido piydo ipydo yipdo iypdo pydio ypdio pdyio dpyio ydpio dypio pidyo ipdyo pdiyo dpiyo idpyo dipyo yidpo iydpo ydipo dyipo idypo diypo poidy opidy piody ipody oipdy iopdy podiy opdiy pdoiy dpoiy odpiy dopiy pidoy ipdoy pdioy dpioy idpoy dipoy oidpy iodpy odipy doipy idopy diopy yoidp oyidp yiodp iyodp oiydp ioydp yodip oydip ydoip dyoip odyip doyip yidop iydop ydiop dyiop idyop diyop oidyp iodyp odiyp doiyp idoyp dioyp
Note: these 'words' (valid or invalid) are all the permutations of the word pyoid. These words are obtained by scrambling the letters in pyoid.