abcso bacso acbso cabso bcaso cbaso absco basco asbco sabco bsaco sbaco acsbo casbo ascbo sacbo csabo scabo bcsao cbsao bscao sbcao csbao scbao abcos bacos acbos cabos bcaos cbaos abocs baocs aobcs oabcs boacs obacs acobs caobs aocbs oacbs coabs ocabs bcoas cboas bocas obcas cobas ocbas absoc basoc asboc saboc bsaoc sbaoc abosc baosc aobsc oabsc boasc obasc asobc saobc aosbc oasbc soabc osabc bsoac sboac bosac obsac sobac osbac acsob casob ascob sacob csaob scaob acosb caosb aocsb oacsb coasb ocasb asocb saocb aoscb oascb soacb osacb csoab scoab cosab ocsab socab oscab bcsoa cbsoa bscoa sbcoa csboa scboa bcosa cbosa bocsa obcsa cobsa ocbsa bsoca sboca bosca obsca sobca osbca csoba scoba cosba ocsba socba oscba
Note: these 'words' (valid or invalid) are all the permutations of the word abcso. These words are obtained by scrambling the letters in abcso.