sinus isnus snius nsius insus nisus siuns isuns suins usins iusns uisns snuis nsuis sunis usnis nusis unsis inuss niuss iunss uinss nuiss uniss sinsu isnsu snisu nsisu inssu nissu sisnu issnu ssinu ssinu issnu sisnu snsiu nssiu ssniu ssniu nssiu snsiu inssu nissu isnsu sinsu nsisu snisu siusn isusn suisn usisn iussn uissn sisun issun ssiun ssiun issun sisun susin ussin ssuin ssuin ussin susin iussn uissn isusn siusn usisn suisn snusi nsusi sunsi usnsi nussi unssi snsui nssui ssnui ssnui nssui snsui susni ussni ssuni ssuni ussni susni nussi unssi nsusi snusi usnsi sunsi inuss niuss iunss uinss nuiss uniss insus nisus isnus sinus nsius snius iusns uisns isuns siuns usins suins nusis unsis nsuis snuis usnis sunis
Note: these 'words' (valid or invalid) are all the permutations of the word sinus. These words are obtained by scrambling the letters in sinus.