dippy idppy dpipy pdipy ipdpy pidpy dippy idppy dpipy pdipy ipdpy pidpy dppiy pdpiy dppiy pdpiy ppdiy ppdiy ippdy pipdy ippdy pipdy ppidy ppidy dipyp idpyp dpiyp pdiyp ipdyp pidyp diypp idypp dyipp ydipp iydpp yidpp dpyip pdyip dypip ydpip pydip ypdip ipydp piydp iypdp yipdp pyidp ypidp dipyp idpyp dpiyp pdiyp ipdyp pidyp diypp idypp dyipp ydipp iydpp yidpp dpyip pdyip dypip ydpip pydip ypdip ipydp piydp iypdp yipdp pyidp ypidp dppyi pdpyi dppyi pdpyi ppdyi ppdyi dpypi pdypi dyppi ydppi pydpi ypdpi dpypi pdypi dyppi ydppi pydpi ypdpi ppydi ppydi pypdi yppdi pypdi yppdi ippyd pipyd ippyd pipyd ppiyd ppiyd ipypd piypd iyppd yippd pyipd ypipd ipypd piypd iyppd yippd pyipd ypipd ppyid ppyid pypid yppid pypid yppid
Note: these 'words' (valid or invalid) are all the permutations of the word dippy. These words are obtained by scrambling the letters in dippy.