fizzy ifzzy fzizy zfizy izfzy zifzy fizzy ifzzy fzizy zfizy izfzy zifzy fzziy zfziy fzziy zfziy zzfiy zzfiy izzfy zizfy izzfy zizfy zzify zzify fizyz ifzyz fziyz zfiyz izfyz zifyz fiyzz ifyzz fyizz yfizz iyfzz yifzz fzyiz zfyiz fyziz yfziz zyfiz yzfiz izyfz ziyfz iyzfz yizfz zyifz yzifz fizyz ifzyz fziyz zfiyz izfyz zifyz fiyzz ifyzz fyizz yfizz iyfzz yifzz fzyiz zfyiz fyziz yfziz zyfiz yzfiz izyfz ziyfz iyzfz yizfz zyifz yzifz fzzyi zfzyi fzzyi zfzyi zzfyi zzfyi fzyzi zfyzi fyzzi yfzzi zyfzi yzfzi fzyzi zfyzi fyzzi yfzzi zyfzi yzfzi zzyfi zzyfi zyzfi yzzfi zyzfi yzzfi izzyf zizyf izzyf zizyf zziyf zziyf izyzf ziyzf iyzzf yizzf zyizf yzizf izyzf ziyzf iyzzf yizzf zyizf yzizf zzyif zzyif zyzif yzzif zyzif yzzif
Note: these 'words' (valid or invalid) are all the permutations of the word fizzy. These words are obtained by scrambling the letters in fizzy.