acmes cames amces maces cmaes mcaes acems caems aecms eacms ceams ecams amecs maecs aemcs eamcs meacs emacs cmeas mceas cemas ecmas mecas emcas acmse camse amcse macse cmase mcase acsme casme ascme sacme csame scame amsce masce asmce samce msace smace cmsae mcsae csmae scmae mscae smcae acesm caesm aecsm eacsm ceasm ecasm acsem casem ascem sacem csaem scaem aescm eascm asecm saecm esacm seacm cesam ecsam cseam sceam escam secam amesc maesc aemsc eamsc measc emasc amsec masec asmec samec msaec smaec aesmc easmc asemc saemc esamc seamc mesac emsac mseac smeac esmac semac cmesa mcesa cemsa ecmsa mecsa emcsa cmsea mcsea csmea scmea mscea smcea cesma ecsma csema scema escma secma mesca emsca mseca smeca esmca semca
Note: these 'words' (valid or invalid) are all the permutations of the word acmes. These words are obtained by scrambling the letters in acmes.