unica nuica uinca iunca niuca inuca uncia nucia ucnia cunia ncuia cnuia uicna iucna ucina cuina icuna ciuna nicua incua nciua cniua icnua cinua uniac nuiac uinac iunac niuac inuac unaic nuaic uanic aunic nauic anuic uianc iuanc uainc auinc iaunc aiunc niauc inauc naiuc aniuc ianuc ainuc uncai nucai ucnai cunai ncuai cnuai unaci nuaci uanci aunci nauci anuci ucani cuani uacni aucni cauni acuni ncaui cnaui nacui ancui canui acnui uican iucan ucian cuian icuan ciuan uiacn iuacn uaicn auicn iaucn aiucn ucain cuain uacin aucin cauin acuin icaun ciaun iacun aicun caiun aciun nicau incau nciau cniau icnau cinau niacu inacu naicu anicu iancu aincu ncaiu cnaiu naciu anciu caniu acniu icanu cianu iacnu aicnu cainu acinu
Note: these 'words' (valid or invalid) are all the permutations of the word unica. These words are obtained by scrambling the letters in unica.