ouarn uoarn oaurn aourn uaorn auorn ouran uoran oruan rouan uroan ruoan oarun aorun oraun roaun aroun raoun uaron auron uraon ruaon aruon rauon ouanr uoanr oaunr aounr uaonr auonr ounar uonar onuar nouar unoar nuoar oanur aonur onaur noaur anour naour uanor aunor unaor nuaor anuor nauor ourna uorna oruna rouna urona ruona ounra uonra onura noura unora nuora ornua ronua onrua norua rnoua nroua urnoa runoa unroa nuroa rnuoa nruoa oarnu aornu oranu roanu aronu raonu oanru aonru onaru noaru anoru naoru ornau ronau onrau norau rnoau nroau arnou ranou anrou narou rnaou nraou uarno aurno urano ruano aruno rauno uanro aunro unaro nuaro anuro nauro urnao runao unrao nurao rnuao nruao arnuo ranuo anruo naruo rnauo nrauo
Note: these 'words' (valid or invalid) are all the permutations of the word ouarn. These words are obtained by scrambling the letters in ouarn.