noddy onddy ndody dnody odndy dondy noddy onddy ndody dnody odndy dondy nddoy dndoy nddoy dndoy ddnoy ddnoy oddny dodny oddny dodny ddony ddony nodyd ondyd ndoyd dnoyd odnyd donyd noydd onydd nyodd ynodd oyndd yondd ndyod dnyod nydod yndod dynod ydnod odynd doynd oydnd yodnd dyond ydond nodyd ondyd ndoyd dnoyd odnyd donyd noydd onydd nyodd ynodd oyndd yondd ndyod dnyod nydod yndod dynod ydnod odynd doynd oydnd yodnd dyond ydond nddyo dndyo nddyo dndyo ddnyo ddnyo ndydo dnydo nyddo ynddo dyndo ydndo ndydo dnydo nyddo ynddo dyndo ydndo ddyno ddyno dydno yddno dydno yddno oddyn dodyn oddyn dodyn ddoyn ddoyn odydn doydn oyddn yoddn dyodn ydodn odydn doydn oyddn yoddn dyodn ydodn ddyon ddyon dydon yddon dydon yddon
Note: these 'words' (valid or invalid) are all the permutations of the word noddy. These words are obtained by scrambling the letters in noddy.