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