rants arnts rnats nrats anrts narts ratns artns rtans trans atrns tarns rntas nrtas rtnas trnas ntras tnras antrs natrs atnrs tanrs ntars tnars ranst arnst rnast nrast anrst narst rasnt arsnt rsant srant asrnt sarnt rnsat nrsat rsnat srnat nsrat snrat ansrt nasrt asnrt sanrt nsart snart ratsn artsn rtasn trasn atrsn tarsn rastn arstn rsatn sratn asrtn sartn rtsan trsan rstan srtan tsran stran atsrn tasrn astrn satrn tsarn starn rntsa nrtsa rtnsa trnsa ntrsa tnrsa rnsta nrsta rsnta srnta nsrta snrta rtsna trsna rstna srtna tsrna strna ntsra tnsra nstra sntra tsnra stnra antsr natsr atnsr tansr ntasr tnasr anstr nastr asntr santr nsatr snatr atsnr tasnr astnr satnr tsanr stanr ntsar tnsar nstar sntar tsnar stnar
Note: these 'words' (valid or invalid) are all the permutations of the word rants. These words are obtained by scrambling the letters in rants.