dodos oddos ddoos ddoos oddos dodos doods odods doods odods oodds oodds ddoos ddoos dodos oddos dodos oddos odods doods oodds oodds doods odods dodso oddso ddoso ddoso oddso dodso dosdo odsdo dsodo sdodo osddo soddo ddsoo ddsoo dsdoo sddoo dsdoo sddoo odsdo dosdo osddo soddo dsodo sdodo doosd odosd doosd odosd oodsd oodsd dosod odsod dsood sdood osdod sodod dosod odsod dsood sdood osdod sodod oosdd oosdd osodd soodd osodd soodd ddoso ddoso dodso oddso dodso oddso ddsoo ddsoo dsdoo sddoo dsdoo sddoo dosdo odsdo dsodo sdodo osddo soddo dosdo odsdo dsodo sdodo osddo soddo odosd doosd oodsd oodsd doosd odosd odsod dosod osdod sodod dsood sdood oosdd oosdd osodd soodd osodd soodd dosod odsod dsood sdood osdod sodod
Note: these 'words' (valid or invalid) are all the permutations of the word dodos. These words are obtained by scrambling the letters in dodos.