swarm wsarm sawrm aswrm wasrm awsrm swram wsram srwam rswam wrsam rwsam sarwm asrwm srawm rsawm arswm raswm warsm awrsm wrasm rwasm arwsm rawsm swamr wsamr sawmr aswmr wasmr awsmr swmar wsmar smwar mswar wmsar mwsar samwr asmwr smawr msawr amswr maswr wamsr awmsr wmasr mwasr amwsr mawsr swrma wsrma srwma rswma wrsma rwsma swmra wsmra smwra mswra wmsra mwsra srmwa rsmwa smrwa msrwa rmswa mrswa wrmsa rwmsa wmrsa mwrsa rmwsa mrwsa sarmw asrmw sramw rsamw arsmw rasmw samrw asmrw smarw msarw amsrw masrw srmaw rsmaw smraw msraw rmsaw mrsaw armsw ramsw amrsw marsw rmasw mrasw warms awrms wrams rwams arwms rawms wamrs awmrs wmars mwars amwrs mawrs wrmas rwmas wmras mwras rmwas mrwas armws ramws amrws marws rmaws mraws
Note: these 'words' (valid or invalid) are all the permutations of the word swarm. These words are obtained by scrambling the letters in swarm.