maser amser msaer smaer asmer samer maesr amesr measr emasr aemsr eamsr msear smear mesar emsar semar esmar asemr saemr aesmr easmr seamr esamr masre amsre msare smare asmre samre marse amrse mrase rmase armse ramse msrae smrae mrsae rmsae srmae rsmae asrme sarme arsme rasme srame rsame maers amers mears emars aemrs eamrs mares amres mraes rmaes armes rames meras emras mreas rmeas ermas remas aerms earms arems raems erams reams msera smera mesra emsra semra esmra msrea smrea mrsea rmsea srmea rsmea mersa emrsa mresa rmesa ermsa remsa serma esrma srema rsema ersma resma aserm saerm aesrm easrm searm esarm asrem sarem arsem rasem sraem rsaem aersm earsm aresm raesm erasm reasm seram esram sream rseam ersam resam
Note: these 'words' (valid or invalid) are all the permutations of the word maser. These words are obtained by scrambling the letters in maser.