ruana urana rauna aruna uarna aurna runaa urnaa rnuaa nruaa unraa nuraa ranua arnua rnaua nraua anrua narua uanra aunra unara nuara anura naura ruaan uraan rauan aruan uaran auran ruaan uraan rauan aruan uaran auran raaun araun raaun araun aarun aarun uaarn auarn uaarn auarn aaurn aaurn runaa urnaa rnuaa nruaa unraa nuraa ruana urana rauna aruna uarna aurna rnaua nraua ranua arnua narua anrua unara nuara uanra aunra naura anura ranau arnau rnaau nraau anrau narau raanu aranu raanu aranu aarnu aarnu rnaau nraau ranau arnau narau anrau anaru naaru aanru aanru naaru anaru uanar aunar unaar nuaar anuar nauar uaanr auanr uaanr auanr aaunr aaunr unaar nuaar uanar aunar nauar anuar anaur naaur aanur aanur naaur anaur
Note: these 'words' (valid or invalid) are all the permutations of the word ruana. These words are obtained by scrambling the letters in ruana.