incus nicus icnus cinus ncius cnius inucs niucs iuncs uincs nuics unics icuns ciuns iucns uicns cuins ucins ncuis cnuis nucis uncis cunis ucnis incsu nicsu icnsu cinsu ncisu cnisu inscu niscu isncu sincu nsicu snicu icsnu cisnu iscnu sicnu csinu scinu ncsiu cnsiu nsciu snciu csniu scniu inusc niusc iunsc uinsc nuisc unisc insuc nisuc isnuc sinuc nsiuc sniuc iusnc uisnc isunc siunc usinc suinc nusic unsic nsuic snuic usnic sunic icusn ciusn iucsn uicsn cuisn ucisn icsun cisun iscun sicun csiun sciun iuscn uiscn isucn siucn usicn suicn cusin ucsin csuin scuin uscin sucin ncusi cnusi nucsi uncsi cunsi ucnsi ncsui cnsui nscui sncui csnui scnui nusci unsci nsuci snuci usnci sunci cusni ucsni csuni scuni uscni sucni
Note: these 'words' (valid or invalid) are all the permutations of the word incus. These words are obtained by scrambling the letters in incus.