rower orwer rwoer wroer owrer worer roewr orewr reowr erowr oerwr eorwr rweor wreor rewor erwor weror ewror owerr woerr oewrr eowrr weorr eworr rowre orwre rwore wrore owrre worre rorwe orrwe rrowe rrowe orrwe rorwe rwroe wrroe rrwoe rrwoe wrroe rwroe owrre worre orwre rowre wrore rwore roerw orerw reorw erorw oerrw eorrw rorew orrew rroew rroew orrew rorew rerow errow rreow rreow errow rerow oerrw eorrw orerw roerw erorw reorw rwero wrero rewro erwro werro ewrro rwreo wrreo rrweo rrweo wrreo rwreo rerwo errwo rrewo rrewo errwo rerwo werro ewrro wrero rwero erwro rewro owerr woerr oewrr eowrr weorr eworr owrer worer orwer rower wroer rwoer oerwr eorwr orewr roewr erowr reowr weror ewror wreor rweor erwor rewor
Note: these 'words' (valid or invalid) are all the permutations of the word rower. These words are obtained by scrambling the letters in rower.