canna acnna cnana ncana ancna nacna canna acnna cnana ncana ancna nacna cnnaa ncnaa cnnaa ncnaa nncaa nncaa annca nanca annca nanca nnaca nnaca canan acnan cnaan ncaan ancan nacan caann acann caann acann aacnn aacnn cnaan ncaan canan acnan nacan ancan anacn naacn aancn aancn naacn anacn canan acnan cnaan ncaan ancan nacan caann acann caann acann aacnn aacnn cnaan ncaan canan acnan nacan ancan anacn naacn aancn aancn naacn anacn cnnaa ncnaa cnnaa ncnaa nncaa nncaa cnana ncana canna acnna nacna ancna cnana ncana canna acnna nacna ancna nnaca nnaca nanca annca nanca annca annac nanac annac nanac nnaac nnaac ananc naanc aannc aannc naanc ananc ananc naanc aannc aannc naanc ananc nnaac nnaac nanac annac nanac annac
Note: these 'words' (valid or invalid) are all the permutations of the word canna. These words are obtained by scrambling the letters in canna.