rnasl nrasl ransl arnsl narsl anrsl rnsal nrsal rsnal srnal nsral snral rasnl arsnl rsanl sranl asrnl sarnl nasrl ansrl nsarl snarl asnrl sanrl rnals nrals ranls arnls narls anrls rnlas nrlas rlnas lrnas nlras lnras ralns arlns rlans lrans alrns larns nalrs anlrs nlars lnars alnrs lanrs rnsla nrsla rsnla srnla nsrla snrla rnlsa nrlsa rlnsa lrnsa nlrsa lnrsa rslna srlna rlsna lrsna slrna lsrna nslra snlra nlsra lnsra slnra lsnra rasln arsln rsaln sraln asrln sarln ralsn arlsn rlasn lrasn alrsn larsn rslan srlan rlsan lrsan slran lsran aslrn salrn alsrn lasrn slarn lsarn naslr anslr nsalr snalr asnlr sanlr nalsr anlsr nlasr lnasr alnsr lansr nslar snlar nlsar lnsar slnar lsnar aslnr salnr alsnr lasnr slanr lsanr
Note: these 'words' (valid or invalid) are all the permutations of the word rnasl. These words are obtained by scrambling the letters in rnasl.