queys uqeys qeuys equys ueqys euqys quyes uqyes qyues yques uyqes yuqes qeyus eqyus qyeus yqeus eyqus yequs ueyqs euyqs uyeqs yueqs eyuqs yeuqs quesy uqesy qeusy equsy ueqsy euqsy qusey uqsey qsuey squey usqey suqey qesuy eqsuy qseuy sqeuy esquy sequy uesqy eusqy useqy sueqy esuqy seuqy quyse uqyse qyuse yquse uyqse yuqse qusye uqsye qsuye squye usqye suqye qysue yqsue qsyue sqyue ysque syque uysqe yusqe usyqe suyqe ysuqe syuqe qeysu eqysu qyesu yqesu eyqsu yeqsu qesyu eqsyu qseyu sqeyu esqyu seqyu qyseu yqseu qsyeu sqyeu ysqeu syqeu eysqu yesqu esyqu seyqu ysequ syequ ueysq euysq uyesq yuesq eyusq yeusq uesyq eusyq useyq sueyq esuyq seuyq uyseq yuseq usyeq suyeq ysueq syueq eysuq yesuq esyuq seyuq yseuq syeuq
Note: these 'words' (valid or invalid) are all the permutations of the word queys. These words are obtained by scrambling the letters in queys.