whip hwip wihp iwhp hiwp ihwp whpi hwpi wphi pwhi hpwi phwi wiph iwph wpih pwih ipwh piwh hipw ihpw hpiw phiw iphw pihw
Note: these 'words' (valid or invalid) are all the permutations of the word whip. These words are obtained by scrambling the letters in whip.