praos rpaos paros apros rapos arpos proas rpoas poras opras ropas orpas paors apors poars opars aoprs oaprs raops arops roaps oraps aorps oarps praso rpaso parso aprso rapso arpso prsao rpsao psrao sprao rspao srpao pasro apsro psaro sparo aspro sapro raspo arspo rsapo srapo asrpo sarpo prosa rposa porsa oprsa ropsa orpsa prsoa rpsoa psroa sproa rspoa srpoa posra opsra psora spora ospra sopra rospa orspa rsopa sropa osrpa sorpa paosr aposr poasr opasr aopsr oapsr pasor apsor psaor spaor aspor sapor posar opsar psoar spoar ospar sopar aospr oaspr asopr saopr osapr soapr raosp arosp roasp orasp aorsp oarsp rasop arsop rsaop sraop asrop sarop rosap orsap rsoap sroap osrap sorap aosrp oasrp asorp saorp osarp soarp
Note: these 'words' (valid or invalid) are all the permutations of the word praos. These words are obtained by scrambling the letters in praos.