boets obets beots ebots oebts eobts botes obtes btoes tboes otbes tobes betos ebtos bteos tbeos etbos tebos oetbs eotbs otebs toebs etobs teobs boest obest beost ebost oebst eobst boset obset bsoet sboet osbet sobet besot ebsot bseot sbeot esbot sebot oesbt eosbt osebt soebt esobt seobt botse obtse btose tbose otbse tobse boste obste bsote sbote osbte sobte btsoe tbsoe bstoe sbtoe tsboe stboe otsbe tosbe ostbe sotbe tsobe stobe betso ebtso bteso tbeso etbso tebso besto ebsto bseto sbeto esbto sebto btseo tbseo bsteo sbteo tsbeo stbeo etsbo tesbo estbo setbo tsebo stebo oetsb eotsb otesb toesb etosb teosb oestb eostb osetb soetb esotb seotb otseb toseb osteb soteb tsoeb stoeb etsob tesob estob setob tseob steob
Note: these 'words' (valid or invalid) are all the permutations of the word boets. These words are obtained by scrambling the letters in boets.