mafic amfic mfaic fmaic afmic famic maifc amifc miafc imafc aimfc iamfc mfiac fmiac mifac imfac fimac ifmac afimc faimc aifmc iafmc fiamc ifamc mafci amfci mfaci fmaci afmci famci macfi amcfi mcafi cmafi acmfi camfi mfcai fmcai mcfai cmfai fcmai cfmai afcmi facmi acfmi cafmi fcami cfami maicf amicf miacf imacf aimcf iamcf macif amcif mcaif cmaif acmif camif micaf imcaf mciaf cmiaf icmaf cimaf aicmf iacmf acimf caimf icamf ciamf mfica fmica mifca imfca fimca ifmca mfcia fmcia mcfia cmfia fcmia cfmia micfa imcfa mcifa cmifa icmfa cimfa ficma ifcma fcima cfima icfma cifma aficm faicm aifcm iafcm fiacm ifacm afcim facim acfim cafim fcaim cfaim aicfm iacfm acifm caifm icafm ciafm ficam ifcam fciam cfiam icfam cifam
Note: these 'words' (valid or invalid) are all the permutations of the word mafic. These words are obtained by scrambling the letters in mafic.