cisie icsie csiie sciie iscie sicie ciise icise ciise icise iicse iicse csiie sciie cisie icsie sicie iscie isice siice iisce iisce siice isice cisei icsei csiei sciei iscei sicei ciesi icesi ceisi ecisi iecsi eicsi cseii sceii cesii ecsii secii escii iseci sieci iesci eisci seici esici ciies icies ciies icies iices iices cieis iceis ceiis eciis iecis eicis cieis iceis ceiis eciis iecis eicis iiecs iiecs ieics eiics ieics eiics csiei sciei cisei icsei sicei iscei cseii sceii cesii ecsii secii escii ciesi icesi ceisi ecisi iecsi eicsi sieci iseci seici esici iesci eisci isiec siiec iisec iisec siiec isiec iseic sieic iesic eisic seiic esiic iiesc iiesc ieisc eiisc ieisc eiisc sieic iseic seiic esiic iesic eisic
Note: these 'words' (valid or invalid) are all the permutations of the word cisie. These words are obtained by scrambling the letters in cisie.