swamp wsamp sawmp aswmp wasmp awsmp swmap wsmap smwap mswap wmsap mwsap samwp asmwp smawp msawp amswp maswp wamsp awmsp wmasp mwasp amwsp mawsp swapm wsapm sawpm aswpm waspm awspm swpam wspam spwam pswam wpsam pwsam sapwm aspwm spawm psawm apswm paswm wapsm awpsm wpasm pwasm apwsm pawsm swmpa wsmpa smwpa mswpa wmspa mwspa swpma wspma spwma pswma wpsma pwsma smpwa mspwa spmwa psmwa mpswa pmswa wmpsa mwpsa wpmsa pwmsa mpwsa pmwsa sampw asmpw smapw msapw amspw maspw sapmw aspmw spamw psamw apsmw pasmw smpaw mspaw spmaw psmaw mpsaw pmsaw ampsw mapsw apmsw pamsw mpasw pmasw wamps awmps wmaps mwaps amwps mawps wapms awpms wpams pwams apwms pawms wmpas mwpas wpmas pwmas mpwas pmwas ampws mapws apmws pamws mpaws pmaws
Note: these 'words' (valid or invalid) are all the permutations of the word swamp. These words are obtained by scrambling the letters in swamp.