mungs umngs mnugs nmugs unmgs numgs mugns umgns mguns gmuns ugmns gumns mngus nmgus mgnus gmnus ngmus gnmus ungms nugms ugnms gunms ngums gnums munsg umnsg mnusg nmusg unmsg numsg musng umsng msung smung usmng sumng mnsug nmsug msnug smnug nsmug snmug unsmg nusmg usnmg sunmg nsumg snumg mugsn umgsn mgusn gmusn ugmsn gumsn musgn umsgn msugn smugn usmgn sumgn mgsun gmsun msgun smgun gsmun sgmun ugsmn gusmn usgmn sugmn gsumn sgumn mngsu nmgsu mgnsu gmnsu ngmsu gnmsu mnsgu nmsgu msngu smngu nsmgu snmgu mgsnu gmsnu msgnu smgnu gsmnu sgmnu ngsmu gnsmu nsgmu sngmu gsnmu sgnmu ungsm nugsm ugnsm gunsm ngusm gnusm unsgm nusgm usngm sungm nsugm snugm ugsnm gusnm usgnm sugnm gsunm sgunm ngsum gnsum nsgum sngum gsnum sgnum
Note: these 'words' (valid or invalid) are all the permutations of the word mungs. These words are obtained by scrambling the letters in mungs.