eropr reopr eorpr oerpr roepr orepr erpor repor epror peror rpeor preor eoprr oeprr eporr peorr operr poerr roper orper rpoer proer oprer porer erorp reorp eorrp oerrp roerp orerp errop rerop errop rerop rreop rreop eorrp oerrp erorp reorp orerp roerp rorep orrep rroep rroep orrep rorep erpro repro eprro perro rpero prero errpo rerpo errpo rerpo rrepo rrepo eprro perro erpro repro prero rpero rpreo prreo rrpeo rrpeo prreo rpreo eoprr oeprr eporr peorr operr poerr eorpr oerpr eropr reopr orepr roepr epror peror erpor repor preor rpeor oprer porer orper roper proer rpoer ropre orpre rpore prore oprre porre rorpe orrpe rrope rrope orrpe rorpe rproe prroe rrpoe rrpoe prroe rproe oprre porre orpre ropre prore rpore
Note: these 'words' (valid or invalid) are all the permutations of the word eropr. These words are obtained by scrambling the letters in eropr.