flurr lfurr fulrr uflrr lufrr ulfrr flrur lfrur frlur rflur lrfur rlfur furlr ufrlr frulr rfulr urflr ruflr lurfr ulrfr lrufr rlufr urlfr rulfr flurr lfurr fulrr uflrr lufrr ulfrr flrur lfrur frlur rflur lrfur rlfur furlr ufrlr frulr rfulr urflr ruflr lurfr ulrfr lrufr rlufr urlfr rulfr flrru lfrru frlru rflru lrfru rlfru flrru lfrru frlru rflru lrfru rlfru frrlu rfrlu frrlu rfrlu rrflu rrflu lrrfu rlrfu lrrfu rlrfu rrlfu rrlfu furrl ufrrl frurl rfurl urfrl rufrl furrl ufrrl frurl rfurl urfrl rufrl frrul rfrul frrul rfrul rrful rrful urrfl rurfl urrfl rurfl rrufl rrufl lurrf ulrrf lrurf rlurf urlrf rulrf lurrf ulrrf lrurf rlurf urlrf rulrf lrruf rlruf lrruf rlruf rrluf rrluf urrlf rurlf urrlf rurlf rrulf rrulf
Note: these 'words' (valid or invalid) are all the permutations of the word flurr. These words are obtained by scrambling the letters in flurr.