rello erllo rlelo lrelo elrlo lerlo rello erllo rlelo lrelo elrlo lerlo rlleo lrleo rlleo lrleo llreo llreo ellro lelro ellro lelro llero llero relol erlol rleol lreol elrol lerol reoll eroll roell orell eorll oerll rloel lroel rolel orlel lorel olrel elorl leorl eolrl oelrl loerl olerl relol erlol rleol lreol elrol lerol reoll eroll roell orell eorll oerll rloel lroel rolel orlel lorel olrel elorl leorl eolrl oelrl loerl olerl rlloe lrloe rlloe lrloe llroe llroe rlole lrole rolle orlle lorle olrle rlole lrole rolle orlle lorle olrle llore llore lolre ollre lolre ollre ellor lelor ellor lelor lleor lleor elolr leolr eollr oellr loelr olelr elolr leolr eollr oellr loelr olelr lloer lloer loler oller loler oller
Note: these 'words' (valid or invalid) are all the permutations of the word rello. These words are obtained by scrambling the letters in rello.