lunar ulnar lnuar nluar unlar nular luanr ulanr launr alunr ualnr aulnr lnaur nlaur lanur alnur nalur anlur unalr nualr uanlr aunlr naulr anulr lunra ulnra lnura nlura unlra nulra lurna ulrna lruna rluna urlna rulna lnrua nlrua lrnua rlnua nrlua rnlua unrla nurla urnla runla nrula rnula luarn ularn laurn alurn ualrn aulrn luran ulran lruan rluan urlan rulan larun alrun lraun rlaun arlun ralun uarln aurln uraln rualn aruln rauln lnaru nlaru lanru alnru nalru anlru lnrau nlrau lrnau rlnau nrlau rnlau larnu alrnu lranu rlanu arlnu ralnu narlu anrlu nralu rnalu arnlu ranlu unarl nuarl uanrl aunrl naurl anurl unral nural urnal runal nrual rnual uarnl aurnl uranl ruanl arunl raunl narul anrul nraul rnaul arnul ranul
Note: these 'words' (valid or invalid) are all the permutations of the word lunar. These words are obtained by scrambling the letters in lunar.