priss rpiss pirss iprss ripss irpss prsis rpsis psris spris rspis srpis pisrs ipsrs psirs spirs isprs siprs risps irsps rsips srips isrps sirps priss rpiss pirss iprss ripss irpss prsis rpsis psris spris rspis srpis pisrs ipsrs psirs spirs isprs siprs risps irsps rsips srips isrps sirps prssi rpssi psrsi sprsi rspsi srpsi prssi rpssi psrsi sprsi rspsi srpsi pssri spsri pssri spsri sspri sspri rsspi srspi rsspi srspi ssrpi ssrpi pissr ipssr psisr spisr ispsr sipsr pissr ipssr psisr spisr ispsr sipsr pssir spsir pssir spsir sspir sspir isspr sispr isspr sispr ssipr ssipr rissp irssp rsisp srisp isrsp sirsp rissp irssp rsisp srisp isrsp sirsp rssip srsip rssip srsip ssrip ssrip issrp sisrp issrp sisrp ssirp ssirp
Note: these 'words' (valid or invalid) are all the permutations of the word priss. These words are obtained by scrambling the letters in priss.