qaids aqids qiads iqads aiqds iaqds qadis aqdis qdais dqais adqis daqis qidas iqdas qdias dqias idqas diqas aidqs iadqs adiqs daiqs idaqs diaqs qaisd aqisd qiasd iqasd aiqsd iaqsd qasid aqsid qsaid sqaid asqid saqid qisad iqsad qsiad sqiad isqad siqad aisqd iasqd asiqd saiqd isaqd siaqd qadsi aqdsi qdasi dqasi adqsi daqsi qasdi aqsdi qsadi sqadi asqdi saqdi qdsai dqsai qsdai sqdai dsqai sdqai adsqi dasqi asdqi sadqi dsaqi sdaqi qidsa iqdsa qdisa dqisa idqsa diqsa qisda iqsda qsida sqida isqda siqda qdsia dqsia qsdia sqdia dsqia sdqia idsqa disqa isdqa sidqa dsiqa sdiqa aidsq iadsq adisq daisq idasq diasq aisdq iasdq asidq saidq isadq siadq adsiq dasiq asdiq sadiq dsaiq sdaiq idsaq disaq isdaq sidaq dsiaq sdiaq
Note: these 'words' (valid or invalid) are all the permutations of the word qaids. These words are obtained by scrambling the letters in qaids.