diebs idebs deibs edibs iedbs eidbs dibes idbes dbies bdies ibdes bides debis edbis dbeis bdeis ebdis bedis iebds eibds ibeds bieds ebids beids diesb idesb deisb edisb iedsb eidsb diseb idseb dsieb sdieb isdeb sideb desib edsib dseib sdeib esdib sedib iesdb eisdb isedb siedb esidb seidb dibse idbse dbise bdise ibdse bidse disbe idsbe dsibe sdibe isdbe sidbe dbsie bdsie dsbie sdbie bsdie sbdie ibsde bisde isbde sibde bside sbide debsi edbsi dbesi bdesi ebdsi bedsi desbi edsbi dsebi sdebi esdbi sedbi dbsei bdsei dsbei sdbei bsdei sbdei ebsdi besdi esbdi sebdi bsedi sbedi iebsd eibsd ibesd biesd ebisd beisd iesbd eisbd isebd siebd esibd seibd ibsed bised isbed sibed bsied sbied ebsid besid esbid sebid bseid sbeid
Note: these 'words' (valid or invalid) are all the permutations of the word diebs. These words are obtained by scrambling the letters in diebs.