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