prosos rposos porsos oprsos ropsos orpsos prsoos rpsoos psroos sproos rspoos srpoos posros opsros psoros sporos ospros sopros rospos orspos rsopos sropos osrpos sorpos prooss rpooss poross opross roposs orposs prooss rpooss poross opross roposs orposs poorss oporss poorss oporss ooprss ooprss roopss oropss roopss oropss oorpss oorpss prsoos rpsoos psroos sproos rspoos srpoos prosos rposos porsos oprsos ropsos orpsos psoros sporos posros opsros sopros ospros rsopos sropos rospos orspos sorpos osrpos posors opsors psoors spoors ospors sopors poosrs oposrs poosrs oposrs oopsrs oopsrs psoors spoors posors opsors sopors ospors osoprs sooprs oosprs oosprs sooprs osoprs rosops orsops rsoops sroops osrops sorops roosps orosps roosps orosps oorsps oorsps rsoops sroops rosops orsops sorops osrops osorps soorps oosrps oosrps soorps osorps prosso rposso porsso oprsso ropsso orpsso prsoso rpsoso psroso sproso rsposo srposo posrso opsrso psorso sporso osprso soprso rospso orspso rsopso sropso osrpso sorpso prosso rposso porsso oprsso ropsso orpsso prsoso rpsoso psroso sproso rsposo srposo posrso opsrso psorso sporso osprso soprso rospso orspso rsopso sropso osrpso sorpso prssoo rpssoo psrsoo sprsoo rspsoo srpsoo prssoo rpssoo psrsoo sprsoo rspsoo srpsoo pssroo spsroo pssroo spsroo ssproo ssproo rsspoo srspoo rsspoo srspoo ssrpoo ssrpoo possro opssro psosro sposro ospsro sopsro possro opssro psosro sposro ospsro sopsro pssoro spsoro pssoro spsoro ssporo ssporo osspro sospro osspro sospro ssopro ssopro rosspo orsspo rsospo srospo osrspo sorspo rosspo orsspo rsospo srospo osrspo sorspo rssopo srsopo rssopo srsopo ssropo ssropo ossrpo sosrpo ossrpo sosrpo ssorpo ssorpo prooss rpooss poross opross roposs orposs prooss rpooss poross opross roposs orposs poorss oporss poorss oporss ooprss ooprss roopss oropss roopss oropss oorpss oorpss prosos rposos porsos oprsos ropsos orpsos prsoos rpsoos psroos sproos rspoos srpoos posros opsros psoros sporos ospros sopros rospos orspos rsopos sropos osrpos sorpos prosos rposos porsos oprsos ropsos orpsos prsoos rpsoos psroos sproos rspoos srpoos posros opsros psoros sporos ospros sopros rospos orspos rsopos sropos osrpos sorpos poosrs oposrs poosrs oposrs oopsrs oopsrs posors opsors psoors spoors ospors sopors posors opsors psoors spoors ospors sopors oosprs oosprs osoprs sooprs osoprs sooprs roosps orosps roosps orosps oorsps oorsps rosops orsops rsoops sroops osrops sorops rosops orsops rsoops sroops osrops sorops oosrps oosrps osorps soorps osorps soorps prsoso rpsoso psroso sproso rsposo srposo prosso rposso porsso oprsso ropsso orpsso psorso sporso posrso opsrso soprso osprso rsopso sropso rospso orspso sorpso osrpso prssoo rpssoo psrsoo sprsoo rspsoo srpsoo prssoo rpssoo psrsoo sprsoo rspsoo srpsoo pssroo spsroo pssroo spsroo ssproo ssproo rsspoo srspoo rsspoo srspoo ssrpoo ssrpoo prosso rposso porsso oprsso ropsso orpsso prsoso rpsoso psroso sproso rsposo srposo posrso opsrso psorso sporso osprso soprso rospso orspso rsopso sropso osrpso sorpso psosro sposro possro opssro sopsro ospsro pssoro spsoro pssoro spsoro ssporo ssporo possro opssro psosro sposro ospsro sopsro sospro osspro ssopro ssopro osspro sospro rsospo srospo rosspo orsspo sorspo osrspo rssopo srsopo rssopo srsopo ssropo ssropo rosspo orsspo rsospo srospo osrspo sorspo sosrpo ossrpo ssorpo ssorpo ossrpo sosrpo pososr opsosr psoosr spoosr osposr soposr poossr opossr poossr opossr oopssr oopssr psoosr spoosr pososr opsosr soposr osposr osopsr soopsr oospsr oospsr soopsr osopsr possor opssor psosor sposor ospsor sopsor possor opssor psosor sposor ospsor sopsor pssoor spsoor pssoor spsoor sspoor sspoor osspor sospor osspor sospor ssopor ssopor poossr opossr poossr opossr oopssr oopssr pososr opsosr psoosr spoosr osposr soposr pososr opsosr psoosr spoosr osposr soposr oospsr oospsr osopsr soopsr osopsr soopsr psosor sposor possor opssor sopsor ospsor pssoor spsoor pssoor spsoor sspoor sspoor possor opssor psosor sposor ospsor sopsor sospor osspor ssopor ssopor osspor sospor osospr soospr oosspr oosspr soospr osospr ossopr sosopr ossopr sosopr ssoopr ssoopr oosspr oosspr osospr soospr osospr soospr sosopr ossopr ssoopr ssoopr ossopr sosopr rososp orsosp rsoosp sroosp osrosp sorosp roossp orossp roossp orossp oorssp oorssp rsoosp sroosp rososp orsosp sorosp osrosp osorsp soorsp oosrsp oosrsp soorsp osorsp rossop orssop rsosop srosop osrsop sorsop rossop orssop rsosop srosop osrsop sorsop rssoop srsoop rssoop srsoop ssroop ssroop ossrop sosrop ossrop sosrop ssorop ssorop roossp orossp roossp orossp oorssp oorssp rososp orsosp rsoosp sroosp osrosp sorosp rososp orsosp rsoosp sroosp osrosp sorosp oosrsp oosrsp osorsp soorsp osorsp soorsp rsosop srosop rossop orssop sorsop osrsop rssoop srsoop rssoop srsoop ssroop ssroop rossop orssop rsosop srosop osrsop sorsop sosrop ossrop ssorop ssorop ossrop sosrop ososrp soosrp oossrp oossrp soosrp ososrp ossorp sosorp ossorp sosorp ssoorp ssoorp oossrp oossrp ososrp soosrp ososrp soosrp sosorp ossorp ssoorp ssoorp ossorp sosorp
Note: these 'words' (valid or invalid) are all the permutations of the word prosos. These words are obtained by scrambling the letters in prosos.