equid qeuid euqid ueqid queid uqeid eqiud qeiud eiqud iequd qieud iqeud euiqd ueiqd eiuqd ieuqd uieqd iueqd quied uqied qiued iqued uiqed iuqed equdi qeudi euqdi ueqdi quedi uqedi eqdui qedui edqui dequi qdeui dqeui eudqi uedqi eduqi deuqi udeqi dueqi qudei uqdei qduei dquei udqei duqei eqidu qeidu eiqdu ieqdu qiedu iqedu eqdiu qediu edqiu deqiu qdeiu dqeiu eidqu iedqu ediqu deiqu idequ diequ qideu iqdeu qdieu dqieu idqeu diqeu euidq ueidq eiudq ieudq uiedq iuedq eudiq uediq eduiq deuiq udeiq dueiq eiduq ieduq ediuq deiuq ideuq dieuq uideq iudeq udieq duieq idueq diueq quide uqide qiude iqude uiqde iuqde qudie uqdie qduie dquie udqie duqie qidue iqdue qdiue dqiue idque dique uidqe iudqe udiqe duiqe iduqe diuqe
Note: these 'words' (valid or invalid) are all the permutations of the word equid. These words are obtained by scrambling the letters in equid.