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