aduct dauct audct uadct duact udact adcut dacut acdut cadut dcaut cdaut aucdt uacdt acudt caudt ucadt cuadt ducat udcat dcuat cduat ucdat cudat adutc dautc audtc uadtc duatc udatc adtuc datuc atduc taduc dtauc tdauc autdc uatdc atudc taudc utadc tuadc dutac udtac dtuac tduac utdac tudac adctu dactu acdtu cadtu dcatu cdatu adtcu datcu atdcu tadcu dtacu tdacu actdu catdu atcdu tacdu ctadu tcadu dctau cdtau dtcau tdcau ctdau tcdau auctd uactd acutd cautd ucatd cuatd autcd uatcd atucd taucd utacd tuacd actud catud atcud tacud ctaud tcaud uctad cutad utcad tucad ctuad tcuad ducta udcta dcuta cduta ucdta cudta dutca udtca dtuca tduca utdca tudca dctua cdtua dtcua tdcua ctdua tcdua uctda cutda utcda tucda ctuda tcuda
Note: these 'words' (valid or invalid) are all the permutations of the word aduct. These words are obtained by scrambling the letters in aduct.