nicad incad nciad cniad icnad cinad niacd inacd naicd anicd iancd aincd ncaid cnaid nacid ancid canid acnid icand ciand iacnd aicnd caind acind nicda incda ncida cnida icnda cinda nidca indca ndica dnica idnca dinca ncdia cndia ndcia dncia cdnia dcnia icdna cidna idcna dicna cdina dcina niadc inadc naidc anidc iandc aindc nidac indac ndiac dniac idnac dinac nadic andic ndaic dnaic adnic danic iadnc aidnc idanc dianc adinc dainc ncadi cnadi nacdi ancdi candi acndi ncdai cndai ndcai dncai cdnai dcnai nadci andci ndaci dnaci adnci danci cadni acdni cdani dcani adcni dacni icadn ciadn iacdn aicdn caidn acidn icdan cidan idcan dican cdian dcian iadcn aidcn idacn diacn adicn daicn cadin acdin cdain dcain adcin dacin
Note: these 'words' (valid or invalid) are all the permutations of the word nicad. These words are obtained by scrambling the letters in nicad.