acidy caidy aicdy iacdy ciady icady acdiy cadiy adciy daciy cdaiy dcaiy aidcy iadcy adicy daicy idacy diacy ciday icday cdiay dciay idcay dicay aciyd caiyd aicyd iacyd ciayd icayd acyid cayid aycid yacid cyaid ycaid aiycd iaycd ayicd yaicd iyacd yiacd ciyad icyad cyiad yciad iycad yicad acdyi cadyi adcyi dacyi cdayi dcayi acydi caydi aycdi yacdi cyadi ycadi adyci dayci aydci yadci dyaci ydaci cdyai dcyai cydai ycdai dycai ydcai aidyc iadyc adiyc daiyc idayc diayc aiydc iaydc ayidc yaidc iyadc yiadc adyic dayic aydic yadic dyaic ydaic idyac diyac iydac yidac dyiac ydiac cidya icdya cdiya dciya idcya dicya ciyda icyda cyida ycida iycda yicda cdyia dcyia cydia ycdia dycia ydcia idyca diyca iydca yidca dyica ydica
Note: these 'words' (valid or invalid) are all the permutations of the word acidy. These words are obtained by scrambling the letters in acidy.