roller orller rloler lroler olrler lorler roller orller rloler lroler olrler lorler rlloer lrloer rlloer lrloer llroer llroer ollrer lolrer ollrer lolrer llorer llorer rolelr orlelr rloelr lroelr olrelr lorelr roellr orellr reollr erollr oerllr eorllr rleolr lreolr relolr erlolr lerolr elrolr olerlr loerlr oelrlr eolrlr leorlr elorlr rolelr orlelr rloelr lroelr olrelr lorelr roellr orellr reollr erollr oerllr eorllr rleolr lreolr relolr erlolr lerolr elrolr olerlr loerlr oelrlr eolrlr leorlr elorlr rlleor lrleor rlleor lrleor llreor llreor rlelor lrelor rellor erllor lerlor elrlor rlelor lrelor rellor erllor lerlor elrlor lleror lleror lelror ellror lelror ellror ollerr lolerr ollerr lolerr lloerr lloerr olelrr loelrr oellrr eollrr leolrr elolrr olelrr loelrr oellrr eollrr leolrr elolrr lleorr lleorr lelorr ellorr lelorr ellorr rollre orllre rlolre lrolre olrlre lorlre rollre orllre rlolre lrolre olrlre lorlre rllore lrlore rllore lrlore llrore llrore ollrre lolrre ollrre lolrre llorre llorre rolrle orlrle rlorle lrorle olrrle lorrle rorlle orrlle rrolle rrolle orrlle rorlle rlrole lrrole rrlole rrlole lrrole rlrole olrrle lorrle orlrle rolrle lrorle rlorle rolrle orlrle rlorle lrorle olrrle lorrle rorlle orrlle rrolle rrolle orrlle rorlle rlrole lrrole rrlole rrlole lrrole rlrole olrrle lorrle orlrle rolrle lrorle rlorle rllroe lrlroe rllroe lrlroe llrroe llrroe rlrloe lrrloe rrlloe rrlloe lrrloe rlrloe rlrloe lrrloe rrlloe rrlloe lrrloe rlrloe llrroe llrroe lrlroe rllroe lrlroe rllroe ollrre lolrre ollrre lolrre llorre llorre olrlre lorlre orllre rollre lrolre rlolre olrlre lorlre orllre rollre lrolre rlolre llrore llrore lrlore rllore lrlore rllore rolerl orlerl rloerl lroerl olrerl lorerl roelrl orelrl reolrl erolrl oerlrl eorlrl rleorl lreorl relorl erlorl lerorl elrorl olerrl loerrl oelrrl eolrrl leorrl elorrl rolrel orlrel rlorel lrorel olrrel lorrel rorlel orrlel rrolel rrolel orrlel rorlel rlroel lrroel rrloel rrloel lrroel rlroel olrrel lorrel orlrel rolrel lrorel rlorel roerll orerll reorll erorll oerrll eorrll rorell orrell rroell rroell orrell rorell reroll erroll rreoll rreoll erroll reroll oerrll eorrll orerll roerll erorll reorll rlerol lrerol relrol erlrol lerrol elrrol rlreol lrreol rrleol rrleol lrreol rlreol rerlol errlol rrelol rrelol errlol rerlol lerrol elrrol lrerol rlerol erlrol relrol olerrl loerrl oelrrl eolrrl leorrl elorrl olrerl lorerl orlerl rolerl lroerl rloerl oerlrl eorlrl orelrl roelrl erolrl reolrl lerorl elrorl lreorl rleorl erlorl relorl rolerl orlerl rloerl lroerl olrerl lorerl roelrl orelrl reolrl erolrl oerlrl eorlrl rleorl lreorl relorl erlorl lerorl elrorl olerrl loerrl oelrrl eolrrl leorrl elorrl rolrel orlrel rlorel lrorel olrrel lorrel rorlel orrlel rrolel rrolel orrlel rorlel rlroel lrroel rrloel rrloel lrroel rlroel olrrel lorrel orlrel rolrel lrorel rlorel roerll orerll reorll erorll oerrll eorrll rorell orrell rroell rroell orrell rorell reroll erroll rreoll rreoll erroll reroll oerrll eorrll orerll roerll erorll reorll rlerol lrerol relrol erlrol lerrol elrrol rlreol lrreol rrleol rrleol lrreol rlreol rerlol errlol rrelol rrelol errlol rerlol lerrol elrrol lrerol rlerol erlrol relrol olerrl loerrl oelrrl eolrrl leorrl elorrl olrerl lorerl orlerl rolerl lroerl rloerl oerlrl eorlrl orelrl roelrl erolrl reolrl lerorl elrorl lreorl rleorl erlorl relorl rllero lrlero rllero lrlero llrero llrero rlelro lrelro rellro erllro lerlro elrlro rlelro lrelro rellro erllro lerlro elrlro llerro llerro lelrro ellrro lelrro ellrro rllreo lrlreo rllreo lrlreo llrreo llrreo rlrleo lrrleo rrlleo rrlleo lrrleo rlrleo rlrleo lrrleo rrlleo rrlleo lrrleo rlrleo llrreo llrreo lrlreo rllreo lrlreo rllreo rlerlo lrerlo relrlo erlrlo lerrlo elrrlo rlrelo lrrelo rrlelo rrlelo lrrelo rlrelo rerllo errllo rrello rrello errllo rerllo lerrlo elrrlo lrerlo rlerlo erlrlo relrlo rlerlo lrerlo relrlo erlrlo lerrlo elrrlo rlrelo lrrelo rrlelo rrlelo lrrelo rlrelo rerllo errllo rrello rrello errllo rerllo lerrlo elrrlo lrerlo rlerlo erlrlo relrlo llerro llerro lelrro ellrro lelrro ellrro llrero llrero lrlero rllero lrlero rllero lerlro elrlro lrelro rlelro erllro rellro lerlro elrlro lrelro rlelro erllro rellro ollerr lolerr ollerr lolerr lloerr lloerr olelrr loelrr oellrr eollrr leolrr elolrr olelrr loelrr oellrr eollrr leolrr elolrr lleorr lleorr lelorr ellorr lelorr ellorr ollrer lolrer ollrer lolrer llorer llorer olrler lorler orller roller lroler rloler olrler lorler orller roller lroler rloler llroer llroer lrloer rlloer lrloer rlloer olerlr loerlr oelrlr eolrlr leorlr elorlr olrelr lorelr orlelr rolelr lroelr rloelr oerllr eorllr orellr roellr erollr reollr lerolr elrolr lreolr rleolr erlolr relolr olerlr loerlr oelrlr eolrlr leorlr elorlr olrelr lorelr orlelr rolelr lroelr rloelr oerllr eorllr orellr roellr erollr reollr lerolr elrolr lreolr rleolr erlolr relolr lleror lleror lelror ellror lelror ellror llreor llreor lrleor rlleor lrleor rlleor lerlor elrlor lrelor rlelor erllor rellor lerlor elrlor lrelor rlelor erllor rellor
Note: these 'words' (valid or invalid) are all the permutations of the word roller. These words are obtained by scrambling the letters in roller.