yeses eyses ysees syees esyes seyes yeess eyess yeess eyess eeyss eeyss ysees syees yeses eyses seyes esyes eseys seeys eesys eesys seeys eseys yesse eysse ysese syese esyse seyse yesse eysse ysese syese esyse seyse yssee sysee yssee sysee ssyee ssyee essye sesye essye sesye sseye sseye yeess eyess yeess eyess eeyss eeyss yeses eyses ysees syees esyes seyes yeses eyses ysees syees esyes seyes eesys eesys eseys seeys eseys seeys ysese syese yesse eysse seyse esyse yssee sysee yssee sysee ssyee ssyee yesse eysse ysese syese esyse seyse sesye essye sseye sseye essye sesye esesy seesy eessy eessy seesy esesy essey sesey essey sesey sseey sseey eessy eessy esesy seesy esesy seesy sesey essey sseey sseey essey sesey
Note: these 'words' (valid or invalid) are all the permutations of the word yeses. These words are obtained by scrambling the letters in yeses.