posit opsit psoit spoit ospit sopit poist opist piost ipost oipst iopst psiot spiot pisot ipsot sipot ispot osipt soipt oispt iospt siopt isopt posti opsti psoti spoti ospti sopti potsi optsi ptosi tposi otpsi topsi pstoi sptoi ptsoi tpsoi stpoi tspoi ostpi sotpi otspi tospi stopi tsopi poits opits piots ipots oipts iopts potis optis ptois tpois otpis topis pitos iptos ptios tpios itpos tipos oitps iotps otips toips itops tiops psito spito pisto ipsto sipto ispto pstio sptio ptsio tpsio stpio tspio pitso iptso ptiso tpiso itpso tipso sitpo istpo stipo tsipo itspo tispo ositp soitp oistp iostp siotp isotp ostip sotip otsip tosip stoip tsoip oitsp iotsp otisp toisp itosp tiosp sitop istop stiop tsiop itsop tisop
Note: these 'words' (valid or invalid) are all the permutations of the word posit. These words are obtained by scrambling the letters in posit.