ricin ircin rciin criin icrin cirin riicn iricn riicn iricn iircn iircn rciin criin ricin ircin cirin icrin icirn ciirn iicrn iicrn ciirn icirn ricni ircni rcini crini icrni cirni rinci irnci rnici nrici inrci nirci rcnii crnii rncii nrcii cnrii ncrii icnri cinri incri nicri cniri nciri riinc irinc riinc irinc iirnc iirnc rinic irnic rniic nriic inric niric rinic irnic rniic nriic inric niric iinrc iinrc inirc niirc inirc niirc rcini crini ricni ircni cirni icrni rcnii crnii rncii nrcii cnrii ncrii rinci irnci rnici nrici inrci nirci cinri icnri cniri nciri incri nicri icinr ciinr iicnr iicnr ciinr icinr icnir cinir incir nicir cniir nciir iincr iincr inicr niicr inicr niicr cinir icnir cniir nciir incir nicir
Note: these 'words' (valid or invalid) are all the permutations of the word ricin. These words are obtained by scrambling the letters in ricin.