recce ercce rcece crece ecrce cerce recce ercce rcece crece ecrce cerce rccee crcee rccee crcee ccree ccree eccre cecre eccre cecre ccere ccere recec ercec rceec creec ecrec cerec reecc erecc reecc erecc eercc eercc rceec creec recec ercec cerec ecrec ecerc ceerc eecrc eecrc ceerc ecerc recec ercec rceec creec ecrec cerec reecc erecc reecc erecc eercc eercc rceec creec recec ercec cerec ecrec ecerc ceerc eecrc eecrc ceerc ecerc rccee crcee rccee crcee ccree ccree rcece crece recce ercce cerce ecrce rcece crece recce ercce cerce ecrce ccere ccere cecre eccre cecre eccre eccer cecer eccer cecer cceer cceer ececr ceecr eeccr eeccr ceecr ececr ececr ceecr eeccr eeccr ceecr ececr cceer cceer cecer eccer cecer eccer
Note: these 'words' (valid or invalid) are all the permutations of the word recce. These words are obtained by scrambling the letters in recce.