rearer erarer raerer arerer earrer aerrer reraer erraer rreaer rreaer erraer reraer rareer arreer rraeer rraeer arreer rareer earrer aerrer erarer rearer arerer raerer reaerr eraerr raeerr areerr earerr aererr reearr erearr reearr erearr eerarr eerarr raeerr areerr reaerr eraerr aererr earerr eaerrr aeerrr eearrr eearrr aeerrr eaerrr rerear errear rreear rreear errear rerear reerar ererar reerar ererar eerrar eerrar rreear rreear rerear errear rerear errear ererar reerar eerrar eerrar reerar ererar rareer arreer rraeer rraeer arreer rareer raerer arerer rearer erarer aerrer earrer rreaer rreaer reraer erraer reraer erraer arerer raerer aerrer earrer rearer erarer earerr aererr eraerr reaerr areerr raeerr eaerrr aeerrr eearrr eearrr aeerrr eaerrr erearr reearr eerarr eerarr reearr erearr areerr raeerr aererr earerr reaerr eraerr rearre erarre raerre arerre earrre aerrre rerare errare rreare rreare errare rerare rarere arrere rraere rraere arrere rarere earrre aerrre erarre rearre arerre raerre rearre erarre raerre arerre earrre aerrre rerare errare rreare rreare errare rerare rarere arrere rraere rraere arrere rarere earrre aerrre erarre rearre arerre raerre rerrae errrae rrerae rrerae errrae rerrae rerrae errrae rrerae rrerae errrae rerrae rrreae rrreae rrreae rrreae rrreae rrreae errrae rerrae errrae rerrae rrerae rrerae rarree arrree rraree rraree arrree rarree rarree arrree rraree rraree arrree rarree rrraee rrraee rrraee rrraee rrraee rrraee arrree rarree arrree rarree rraree rraree earrre aerrre erarre rearre arerre raerre earrre aerrre erarre rearre arerre raerre errare rerare errare rerare rreare rreare arrere rarere arrere rarere rraere rraere reaerr eraerr raeerr areerr earerr aererr reearr erearr reearr erearr eerarr eerarr raeerr areerr reaerr eraerr aererr earerr eaerrr aeerrr eearrr eearrr aeerrr eaerrr rearer erarer raerer arerer earrer aerrer reraer erraer rreaer rreaer erraer reraer rareer arreer rraeer rraeer arreer rareer earrer aerrer erarer rearer arerer raerer reerar ererar reerar ererar eerrar eerrar rerear errear rreear rreear errear rerear rerear errear rreear rreear errear rerear eerrar eerrar ererar reerar ererar reerar raerer arerer rearer erarer aerrer earrer rareer arreer rraeer rraeer arreer rareer reraer erraer rreaer rreaer erraer reraer aerrer earrer arerer raerer erarer rearer eaerrr aeerrr eearrr eearrr aeerrr eaerrr earerr aererr eraerr reaerr areerr raeerr eerarr eerarr erearr reearr erearr reearr aererr earerr areerr raeerr eraerr reaerr rerera errera rreera rreera errera rerera reerra ererra reerra ererra eerrra eerrra rreera rreera rerera errera rerera errera ererra reerra eerrra eerrra reerra ererra rerrea errrea rrerea rrerea errrea rerrea rerrea errrea rrerea rrerea errrea rerrea rrreea rrreea rrreea rrreea rrreea rrreea errrea rerrea errrea rerrea rrerea rrerea reerra ererra reerra ererra eerrra eerrra rerera errera rreera rreera errera rerera rerera errera rreera rreera errera rerera eerrra eerrra ererra reerra ererra reerra rrerea rrerea rerrea errrea rerrea errrea rrreea rrreea rrreea rrreea rrreea rrreea rerrea errrea rrerea rrerea errrea rerrea rerrea errrea rrerea rrerea errrea rerrea ererra reerra eerrra eerrra reerra ererra errera rerera errera rerera rreera rreera eerrra eerrra ererra reerra ererra reerra rerera errera rreera rreera errera rerera rarere arrere rraere rraere arrere rarere raerre arerre rearre erarre aerrre earrre rreare rreare rerare errare rerare errare arerre raerre aerrre earrre rearre erarre rarree arrree rraree rraree arrree rarree rarree arrree rraree rraree arrree rarree rrraee rrraee rrraee rrraee rrraee rrraee arrree rarree arrree rarree rraree rraree raerre arerre rearre erarre aerrre earrre rarere arrere rraere rraere arrere rarere rerare errare rreare rreare errare rerare aerrre earrre arerre raerre erarre rearre rrerae rrerae rerrae errrae rerrae errrae rrreae rrreae rrreae rrreae rrreae rrreae rerrae errrae rrerae rrerae errrae rerrae rerrae errrae rrerae rrerae errrae rerrae arerre raerre aerrre earrre rearre erarre arrere rarere arrere rarere rraere rraere aerrre earrre arerre raerre erarre rearre rerare errare rreare rreare errare rerare earerr aererr eraerr reaerr areerr raeerr eaerrr aeerrr eearrr eearrr aeerrr eaerrr erearr reearr eerarr eerarr reearr erearr areerr raeerr aererr earerr reaerr eraerr earrer aerrer erarer rearer arerer raerer earrer aerrer erarer rearer arerer raerer erraer reraer erraer reraer rreaer rreaer arreer rareer arreer rareer rraeer rraeer eaerrr aeerrr eearrr eearrr aeerrr eaerrr earerr aererr eraerr reaerr areerr raeerr eerarr eerarr erearr reearr erearr reearr aererr earerr areerr raeerr eraerr reaerr ererar reerar eerrar eerrar reerar ererar errear rerear errear rerear rreear rreear eerrar eerrar ererar reerar ererar reerar rerear errear rreear rreear errear rerear arerer raerer aerrer earrer rearer erarer arreer rareer arreer rareer rraeer rraeer aerrer earrer arerer raerer erarer rearer reraer erraer rreaer rreaer erraer reraer
Note: these 'words' (valid or invalid) are all the permutations of the word rearer. These words are obtained by scrambling the letters in rearer.