nouns onuns nuons unons ounns uonns nonus onnus nnous nnous onnus nonus nunos unnos nnuos nnuos unnos nunos ounns uonns onuns nouns unons nuons nousn onusn nuosn unosn ounsn uonsn nosun onsun nsoun snoun osnun sonun nuson unson nsuon snuon usnon sunon ousnn uosnn osunn sounn usonn suonn nonsu onnsu nnosu nnosu onnsu nonsu nosnu onsnu nsonu snonu osnnu sonnu nnsou nnsou nsnou snnou nsnou snnou onsnu nosnu osnnu sonnu nsonu snonu nunso unnso nnuso nnuso unnso nunso nusno unsno nsuno snuno usnno sunno nnsuo nnsuo nsnuo snnuo nsnuo snnuo unsno nusno usnno sunno nsuno snuno ounsn uonsn onusn nousn unosn nuosn ousnn uosnn osunn sounn usonn suonn onsun nosun osnun sonun nsoun snoun unson nuson usnon sunon nsuon snuon
Note: these 'words' (valid or invalid) are all the permutations of the word nouns. These words are obtained by scrambling the letters in nouns.