ropix orpix rpoix proix oprix porix roipx oripx riopx iropx oirpx iorpx rpiox priox ripox irpox pirox iprox opirx poirx oiprx ioprx piorx iporx ropxi orpxi rpoxi proxi oprxi porxi roxpi orxpi rxopi xropi oxrpi xorpi rpxoi prxoi rxpoi xrpoi pxroi xproi opxri poxri oxpri xopri pxori xpori roixp orixp rioxp iroxp oirxp iorxp roxip orxip rxoip xroip oxrip xorip rixop irxop rxiop xriop ixrop xirop oixrp ioxrp oxirp xoirp ixorp xiorp rpixo prixo ripxo irpxo pirxo iprxo rpxio prxio rxpio xrpio pxrio xprio rixpo irxpo rxipo xripo ixrpo xirpo pixro ipxro pxiro xpiro ixpro xipro opixr poixr oipxr iopxr pioxr ipoxr opxir poxir oxpir xopir pxoir xpoir oixpr ioxpr oxipr xoipr ixopr xiopr pixor ipxor pxior xpior ixpor xipor
Note: these 'words' (valid or invalid) are all the permutations of the word ropix. These words are obtained by scrambling the letters in ropix.