cumec ucmec cmuec mcuec umcec mucec cuemc ucemc ceumc ecumc uecmc eucmc cmeuc mceuc cemuc ecmuc mecuc emcuc umecc muecc uemcc eumcc meucc emucc cumce ucmce cmuce mcuce umcce mucce cucme uccme ccume ccume uccme cucme cmcue mccue ccmue ccmue mccue cmcue umcce mucce ucmce cumce mcuce cmuce cuecm ucecm ceucm ecucm ueccm euccm cucem uccem ccuem ccuem uccem cucem cecum eccum cceum cceum eccum cecum ueccm euccm ucecm cuecm ecucm ceucm cmecu mcecu cemcu ecmcu meccu emccu cmceu mcceu ccmeu ccmeu mcceu cmceu cecmu eccmu ccemu ccemu eccmu cecmu meccu emccu mcecu cmecu ecmcu cemcu umecc muecc uemcc eumcc meucc emucc umcec mucec ucmec cumec mcuec cmuec uecmc eucmc ucemc cuemc ecumc ceumc mecuc emcuc mceuc cmeuc ecmuc cemuc
Note: these 'words' (valid or invalid) are all the permutations of the word cumec. These words are obtained by scrambling the letters in cumec.